diff --git a/CHANGELOG.md b/CHANGELOG.md
index b78db735..4b86f54c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## Unreleased
+
+### Fixes 
+
+- fix: beforeSend dropping events if not set in options ([#79](https://github.com/getsentry/sentry-kotlin-multiplatform/pull/79))
+
 ## 0.1.0
 
 ### Features
diff --git a/sentry-kotlin-multiplatform/src/commonAppleMain/kotlin/io/sentry/kotlin/multiplatform/extensions/SentryOptionsExtensions.kt b/sentry-kotlin-multiplatform/src/commonAppleMain/kotlin/io/sentry/kotlin/multiplatform/extensions/SentryOptionsExtensions.kt
index c245a51e..973de837 100644
--- a/sentry-kotlin-multiplatform/src/commonAppleMain/kotlin/io/sentry/kotlin/multiplatform/extensions/SentryOptionsExtensions.kt
+++ b/sentry-kotlin-multiplatform/src/commonAppleMain/kotlin/io/sentry/kotlin/multiplatform/extensions/SentryOptionsExtensions.kt
@@ -51,12 +51,15 @@ internal fun CocoaSentryOptions.applyCocoaBaseOptions(options: SentryOptions) {
 
         event?.sdk = sdk
 
-        val modifiedEvent = event?.let { SentryEvent(it) }?.let { unwrappedEvent ->
-            val result = options.beforeSend?.invoke(unwrappedEvent)
-            result?.let { event.applyKmpEvent(it) }
+        if (options.beforeSend == null) {
+            dropKotlinCrashEvent(event as NSExceptionSentryEvent?) as CocoaSentryEvent?
+        } else {
+            val modifiedEvent = event?.let { SentryEvent(it) }?.let { unwrappedEvent ->
+                val result = options.beforeSend?.invoke(unwrappedEvent)
+                result?.let { event.applyKmpEvent(it) }
+            }
+            dropKotlinCrashEvent(modifiedEvent as NSExceptionSentryEvent?) as CocoaSentryEvent?
         }
-
-        dropKotlinCrashEvent(modifiedEvent as NSExceptionSentryEvent?) as CocoaSentryEvent?
     }
 
     val sdkName = options.sdk?.name ?: BuildKonfig.SENTRY_KMP_COCOA_SDK_NAME
diff --git a/sentry-kotlin-multiplatform/src/commonAppleTest/kotlin/io/sentry/kotlin/multiplatform/SentryEventConfigurator.kt b/sentry-kotlin-multiplatform/src/commonAppleTest/kotlin/io/sentry/kotlin/multiplatform/SentryEventConfigurator.kt
new file mode 100644
index 00000000..9577fd61
--- /dev/null
+++ b/sentry-kotlin-multiplatform/src/commonAppleTest/kotlin/io/sentry/kotlin/multiplatform/SentryEventConfigurator.kt
@@ -0,0 +1,25 @@
+package io.sentry.kotlin.multiplatform
+
+import io.sentry.kotlin.multiplatform.extensions.applyCocoaBaseOptions
+
+actual class SentryEventConfigurator {
+    private val cocoaSentryEvent = CocoaSentryEvent()
+    actual val originalEvent: SentryEvent = SentryEvent(cocoaSentryEvent)
+
+    actual fun applyOptions(optionsConfiguration: OptionsConfiguration): SentryEvent? {
+        val kmpOptions = SentryOptions()
+        optionsConfiguration.invoke(kmpOptions)
+        return applyOptions(kmpOptions)
+    }
+
+    actual fun applyOptions(options: SentryOptions): SentryEvent? {
+        val cocoaOptions = CocoaSentryOptions()
+        cocoaOptions.applyCocoaBaseOptions(options)
+        val cocoaModifiedSentryEvent = cocoaOptions.beforeSend?.invoke(cocoaSentryEvent)
+        return if (cocoaModifiedSentryEvent == null) {
+            null
+        } else {
+            SentryEvent(cocoaModifiedSentryEvent)
+        }
+    }
+}
diff --git a/sentry-kotlin-multiplatform/src/commonJvmMain/kotlin/io/sentry/kotlin/multiplatform/extensions/SentryOptionsExtensions.kt b/sentry-kotlin-multiplatform/src/commonJvmMain/kotlin/io/sentry/kotlin/multiplatform/extensions/SentryOptionsExtensions.kt
index 7275cca7..f793dda9 100644
--- a/sentry-kotlin-multiplatform/src/commonJvmMain/kotlin/io/sentry/kotlin/multiplatform/extensions/SentryOptionsExtensions.kt
+++ b/sentry-kotlin-multiplatform/src/commonJvmMain/kotlin/io/sentry/kotlin/multiplatform/extensions/SentryOptionsExtensions.kt
@@ -44,8 +44,12 @@ internal fun JvmSentryOptions.applyJvmBaseOptions(options: SentryOptions) {
         options.beforeBreadcrumb?.invoke(jvmBreadcrumb.toKmpBreadcrumb())?.toJvmBreadcrumb()
     }
     setBeforeSend { jvmSentryEvent, hint ->
-        options.beforeSend?.invoke(SentryEvent(jvmSentryEvent))?.let {
-            jvmSentryEvent.applyKmpEvent(it)
+        if (options.beforeSend == null) {
+            jvmSentryEvent
+        } else {
+            options.beforeSend?.invoke(SentryEvent(jvmSentryEvent))?.let {
+                jvmSentryEvent.applyKmpEvent(it)
+            }
         }
     }
 }
diff --git a/sentry-kotlin-multiplatform/src/commonJvmTest/kotlin/io/sentry/kotlin/multiplatform/SentryEventConfigurator.kt b/sentry-kotlin-multiplatform/src/commonJvmTest/kotlin/io/sentry/kotlin/multiplatform/SentryEventConfigurator.kt
new file mode 100644
index 00000000..2122bc80
--- /dev/null
+++ b/sentry-kotlin-multiplatform/src/commonJvmTest/kotlin/io/sentry/kotlin/multiplatform/SentryEventConfigurator.kt
@@ -0,0 +1,27 @@
+package io.sentry.kotlin.multiplatform
+
+import io.sentry.Hint
+import io.sentry.kotlin.multiplatform.extensions.applyJvmBaseOptions
+
+actual class SentryEventConfigurator {
+    private val jvmSentryEvent = JvmSentryEvent()
+    actual val originalEvent: SentryEvent = SentryEvent(jvmSentryEvent)
+
+    actual fun applyOptions(optionsConfiguration: OptionsConfiguration): SentryEvent? {
+        val kmpOptions = SentryOptions()
+        optionsConfiguration.invoke(kmpOptions)
+        return applyOptions(kmpOptions)
+    }
+
+    actual fun applyOptions(options: SentryOptions): SentryEvent? {
+        val jvmOptions = JvmSentryOptions()
+        jvmOptions.applyJvmBaseOptions(options)
+        val jvmHint = Hint()
+        val jvmModifiedSentryEvent = jvmOptions.beforeSend?.execute(jvmSentryEvent, jvmHint)
+        return if (jvmModifiedSentryEvent == null) {
+            null
+        } else {
+            SentryEvent(jvmModifiedSentryEvent)
+        }
+    }
+}
diff --git a/sentry-kotlin-multiplatform/src/commonTest/kotlin/io/sentry/kotlin/multiplatform/BeforeSendIntegrationTest.kt b/sentry-kotlin-multiplatform/src/commonTest/kotlin/io/sentry/kotlin/multiplatform/BeforeSendIntegrationTest.kt
new file mode 100644
index 00000000..b9e71e3d
--- /dev/null
+++ b/sentry-kotlin-multiplatform/src/commonTest/kotlin/io/sentry/kotlin/multiplatform/BeforeSendIntegrationTest.kt
@@ -0,0 +1,250 @@
+package io.sentry.kotlin.multiplatform
+
+import io.sentry.kotlin.multiplatform.protocol.Breadcrumb
+import io.sentry.kotlin.multiplatform.protocol.Message
+import kotlin.test.Test
+import kotlin.test.assertEquals
+import kotlin.test.assertNotNull
+import kotlin.test.assertNull
+
+class BeforeSendIntegrationTest {
+    private val sentryEventConfigurator = SentryEventConfigurator()
+
+    @Test
+    fun `event is not null if KMP beforeSend option is null`() {
+        val event = sentryEventConfigurator.applyOptions()
+        assertNotNull(event)
+    }
+
+    @Test
+    fun `event is null if KMP beforeSend callback config returns null`() {
+        val event = sentryEventConfigurator.applyOptions {
+            it.beforeSend = {
+                null
+            }
+        }
+        assertNull(event)
+    }
+
+    @Test
+    fun `event is not null if KMP beforeSend callback config returns not null`() {
+        val event = sentryEventConfigurator.applyOptions {
+            it.beforeSend = { event ->
+                event
+            }
+        }
+        assertNotNull(event)
+    }
+
+    @Test
+    fun `event logger is modified if KMP beforeSend callback config modifies it`() {
+        val expected = "test"
+        val event = sentryEventConfigurator.applyOptions {
+            it.beforeSend = { event ->
+                event.logger = expected
+                event
+            }
+        }
+        assertNotNull(event)
+        assertEquals(expected, event.logger)
+    }
+
+    @Test
+    fun `event level is modified if KMP beforeSend callback config modifies it`() {
+        val expected = SentryLevel.DEBUG
+        val event = sentryEventConfigurator.applyOptions {
+            it.beforeSend = { event ->
+                event.level = expected
+                event
+            }
+        }
+        assertNotNull(event)
+        assertEquals(expected, event.level)
+    }
+
+    @Test
+    fun `event message is modified if KMP beforeSend callback config modifies it`() {
+        val expected = Message("test")
+        val event = sentryEventConfigurator.applyOptions {
+            it.beforeSend = { event ->
+                event.message = expected
+                event
+            }
+        }
+        assertNotNull(event)
+        assertEquals(expected, event.message)
+    }
+
+    @Test
+    fun `event release is modified if KMP beforeSend callback config modifies it`() {
+        val expected = "test"
+        val event = sentryEventConfigurator.applyOptions {
+            it.beforeSend = { event ->
+                event.release = expected
+                event
+            }
+        }
+        assertNotNull(event)
+        assertEquals(expected, event.release)
+    }
+
+    @Test
+    fun `event environment is modified if KMP beforeSend callback config modifies it`() {
+        val expected = "test"
+        val event = sentryEventConfigurator.applyOptions {
+            it.beforeSend = { event ->
+                event.environment = expected
+                event
+            }
+        }
+        assertNotNull(event)
+        assertEquals(expected, event.environment)
+    }
+
+    @Test
+    fun `event serverName is modified if KMP beforeSend callback config modifies it`() {
+        val expected = "test"
+        val event = sentryEventConfigurator.applyOptions {
+            it.beforeSend = { event ->
+                event.serverName = expected
+                event
+            }
+        }
+        assertNotNull(event)
+        assertEquals(expected, event.serverName)
+    }
+
+    @Test
+    fun `event dist is modified if KMP beforeSend callback config modifies it`() {
+        val expected = "test"
+        val event = sentryEventConfigurator.applyOptions {
+            it.beforeSend = { event ->
+                event.dist = expected
+                event
+            }
+        }
+        assertNotNull(event)
+        assertEquals(expected, event.dist)
+    }
+
+    @Test
+    fun `event fingerprint is modified if KMP beforeSend callback config modifies it`() {
+        val expected = mutableListOf("test")
+        val event = sentryEventConfigurator.applyOptions {
+            it.beforeSend = { event ->
+                event.fingerprint = expected
+                event
+            }
+        }
+        assertNotNull(event)
+        assertEquals(expected, event.fingerprint)
+    }
+
+    @Test
+    fun `event tags are modified if KMP beforeSend callback config modifies it`() {
+        val expected = mutableMapOf("test" to "test")
+        val event = sentryEventConfigurator.applyOptions {
+            it.beforeSend = { event ->
+                event.tags = expected
+                event
+            }
+        }
+        assertNotNull(event)
+        assertEquals(expected, event.tags)
+    }
+
+    @Test
+    fun `event breadcrumbs are modified if KMP beforeSend callback config modifies it`() {
+        val expected = mutableListOf(Breadcrumb.debug("test"))
+        val event = sentryEventConfigurator.applyOptions {
+            it.beforeSend = { event ->
+                event.breadcrumbs = expected
+                event
+            }
+        }
+        assertNotNull(event)
+        assertEquals(expected.first().type, event.breadcrumbs.first().type)
+        assertEquals(expected.first().message, event.breadcrumbs.first().message)
+        assertEquals(expected.first().level, event.breadcrumbs.first().level)
+    }
+
+    @Test
+    fun `event logger is not modified if KMP beforeSend callback config is not modified`() {
+        val originalEvent = sentryEventConfigurator.originalEvent
+        val event = sentryEventConfigurator.applyOptions()
+        assertNotNull(event)
+        assertEquals(originalEvent.logger, event.logger)
+    }
+
+    @Test
+    fun `event level is not modified if KMP beforeSend callback config is not modified`() {
+        val originalEvent = sentryEventConfigurator.originalEvent
+        val event = sentryEventConfigurator.applyOptions()
+        assertNotNull(event)
+        assertEquals(originalEvent.level, event.level)
+    }
+
+    @Test
+    fun `event message is not modified if KMP beforeSend callback config is not modified`() {
+        val originalEvent = sentryEventConfigurator.originalEvent
+        val event = sentryEventConfigurator.applyOptions()
+        assertNotNull(event)
+        assertEquals(originalEvent.message, event.message)
+    }
+
+    @Test
+    fun `event release is not modified if KMP beforeSend callback config is not modified`() {
+        val originalEvent = sentryEventConfigurator.originalEvent
+        val event = sentryEventConfigurator.applyOptions()
+        assertNotNull(event)
+        assertEquals(originalEvent.release, event.release)
+    }
+
+    @Test
+    fun `event environment is not modified if KMP beforeSend callback config is not modified`() {
+        val originalEvent = sentryEventConfigurator.originalEvent
+        val event = sentryEventConfigurator.applyOptions()
+        assertNotNull(event)
+        assertEquals(originalEvent.environment, event.environment)
+    }
+
+    @Test
+    fun `event serverName is not modified if KMP beforeSend callback config is not modified`() {
+        val originalEvent = sentryEventConfigurator.originalEvent
+        val event = sentryEventConfigurator.applyOptions()
+        assertNotNull(event)
+        assertEquals(originalEvent.serverName, event.serverName)
+    }
+
+    @Test
+    fun `event dist is not modified if KMP beforeSend callback config is not modified`() {
+        val originalEvent = sentryEventConfigurator.originalEvent
+        val event = sentryEventConfigurator.applyOptions()
+        assertNotNull(event)
+        assertEquals(originalEvent.dist, event.dist)
+    }
+
+    @Test
+    fun `event fingerprint is not modified if KMP beforeSend callback config is not modified`() {
+        val originalEvent = sentryEventConfigurator.originalEvent
+        val event = sentryEventConfigurator.applyOptions()
+        assertNotNull(event)
+        assertEquals(originalEvent.fingerprint, event.fingerprint)
+    }
+
+    @Test
+    fun `event tags are not modified if KMP beforeSend callback config is not modified`() {
+        val originalEvent = sentryEventConfigurator.originalEvent
+        val event = sentryEventConfigurator.applyOptions()
+        assertNotNull(event)
+        assertEquals(originalEvent.tags, event.tags)
+    }
+
+    @Test
+    fun `event breadcrumbs are not modified if KMP beforeSend callback config is not modified`() {
+        val originalEvent = sentryEventConfigurator.originalEvent
+        val event = sentryEventConfigurator.applyOptions()
+        assertNotNull(event)
+        assertEquals(originalEvent.breadcrumbs, event.breadcrumbs)
+    }
+}
diff --git a/sentry-kotlin-multiplatform/src/commonTest/kotlin/io/sentry/kotlin/multiplatform/SentryEventConfigurator.kt b/sentry-kotlin-multiplatform/src/commonTest/kotlin/io/sentry/kotlin/multiplatform/SentryEventConfigurator.kt
new file mode 100644
index 00000000..d995661d
--- /dev/null
+++ b/sentry-kotlin-multiplatform/src/commonTest/kotlin/io/sentry/kotlin/multiplatform/SentryEventConfigurator.kt
@@ -0,0 +1,11 @@
+package io.sentry.kotlin.multiplatform
+
+/**
+ * This class deals with configuring and modifying a SentryEvent.
+ * It is used to test any code that can alter a SentryEvent.
+ */
+expect class SentryEventConfigurator() {
+    val originalEvent: SentryEvent
+    fun applyOptions(optionsConfiguration: OptionsConfiguration): SentryEvent?
+    fun applyOptions(options: SentryOptions = SentryOptions()): SentryEvent?
+}