diff --git a/app/current/src/main/scala/io/scalajs/nodejs/querystring/package.scala b/app/current/src/main/scala/io/scalajs/nodejs/querystring/package.scala
index e7d746a31..b7841086a 100644
--- a/app/current/src/main/scala/io/scalajs/nodejs/querystring/package.scala
+++ b/app/current/src/main/scala/io/scalajs/nodejs/querystring/package.scala
@@ -2,6 +2,7 @@ package io.scalajs.nodejs
 
 import io.scalajs.RawOptions
 
+import scala.scalajs.js
 import scala.scalajs.js.|
 
 /**
@@ -13,21 +14,12 @@ package object querystring {
     * Query String Enrichment
     * @param qs the given [[QueryString]]
     */
-  implicit class QueryStringEnrichment(val qs: QueryString) extends AnyVal {
-
-    /**
-      * The querystring.parse() method parses a URL query string (str) into a collection of key and value pairs.
-      * @param str     The URL query string to parse
-      * @param sep     The substring used to delimit key and value pairs in the query string. Defaults to '&'.
-      * @param eq      The substring used to delimit keys and values in the query string. Defaults to '='.
-      * @param options The given [[QueryDecodeOptions options]]
-      * @return
-      */
+  implicit final class QueryStringEnrichment(private val qs: QueryString) extends AnyVal {
     @inline
-    def parseAs[T](str: String,
-                   sep: String = null,
-                   eq: String = null,
-                   options: QueryDecodeOptions | RawOptions = null): T = {
+    def parseAs[T <: js.Object](str: String,
+                                sep: String = null,
+                                eq: String = null,
+                                options: QueryDecodeOptions | RawOptions = null): T = {
       qs.parse(str, sep, eq, options).asInstanceOf[T]
     }
 
diff --git a/app/nodejs-v8/src/test/scala/nodejs/querystring/QueryStringTest.scala b/app/nodejs-v8/src/test/scala/nodejs/querystring/QueryStringTest.scala
index a63cf5535..5a1524444 100644
--- a/app/nodejs-v8/src/test/scala/nodejs/querystring/QueryStringTest.scala
+++ b/app/nodejs-v8/src/test/scala/nodejs/querystring/QueryStringTest.scala
@@ -1,6 +1,5 @@
 package io.scalajs.nodejs.querystring
 
-import io.scalajs.JSON
 import io.scalajs.nodejs.Assert
 import io.scalajs.nodejs.querystring.QueryStringTest.MyParams
 import org.scalatest.FunSpec
@@ -16,36 +15,32 @@ class QueryStringTest extends FunSpec {
 
     it("should escape(...)") {
       val result = QueryString.escape("""https://www.google.com/#q=node?key=1234""")
-      info(s"result: ${JSON.stringify(result)}")
-      assert(
-        QueryString
-          .escape("""https://www.google.com/#q=node?key=1234""") == "https%3A%2F%2Fwww.google.com%2F%23q%3Dnode%3Fkey%3D1234"
-      )
+      assert(result === "https%3A%2F%2Fwww.google.com%2F%23q%3Dnode%3Fkey%3D1234")
     }
 
     it("should parse(...)") {
       val result = QueryString.parse("""https://www.google.com/#q=node?key=1234""")
-      info(s"result: ${JSON.stringify(result)}")
       Assert.deepEqual(result, js.Dictionary("https://www.google.com/#q" -> "node?key=1234"))
     }
 
     it("should stringify(...)") {
       val result = QueryString.stringify(new MyParams(foo = "1", bar = "2"))
-      info(s"result: ${JSON.stringify(result)}")
-      assert(result == "foo=1&bar=2")
+      assert(result === "foo=1&bar=2")
     }
 
     it("should unescape(...)") {
       val result = QueryString.unescape("https%3A%2F%2Fwww.google.com%2F%23q%3Dnode%3Fkey%3D1234")
-      info(s"result: ${JSON.stringify(result)}")
-      assert(
-        QueryString
-          .unescape("https%3A%2F%2Fwww.google.com%2F%23q%3Dnode%3Fkey%3D1234") == """https://www.google.com/#q=node?key=1234"""
-      )
+      assert(result === """https://www.google.com/#q=node?key=1234""")
     }
-
   }
 
+  describe("QueryStringEnrichment") {
+    it("parseAs") {
+      val result: MyParams = QueryString.parseAs("foo=1&bar=2")
+      assert(result.foo === "1")
+      assert(result.bar === "2")
+    }
+  }
 }
 
 /**