diff --git a/Sources/SourceKitD/SKDRequestArray.swift b/Sources/SourceKitD/SKDRequestArray.swift
index e91a6fd77..df94770ce 100644
--- a/Sources/SourceKitD/SKDRequestArray.swift
+++ b/Sources/SourceKitD/SKDRequestArray.swift
@@ -12,7 +12,9 @@
 
 import Csourcekitd
 
-#if canImport(Glibc)
+#if canImport(Darwin)
+import Darwin
+#elseif canImport(Glibc)
 import Glibc
 #elseif canImport(Musl)
 import Musl
diff --git a/Sources/SourceKitD/SKDRequestDictionary.swift b/Sources/SourceKitD/SKDRequestDictionary.swift
index 9b56cacf8..8eafca766 100644
--- a/Sources/SourceKitD/SKDRequestDictionary.swift
+++ b/Sources/SourceKitD/SKDRequestDictionary.swift
@@ -13,7 +13,9 @@
 import Csourcekitd
 import LSPLogging
 
-#if canImport(Glibc)
+#if canImport(Darwin)
+import Darwin
+#elseif canImport(Glibc)
 import Glibc
 #elseif canImport(Musl)
 import Musl
diff --git a/Sources/SourceKitD/SKDResponse.swift b/Sources/SourceKitD/SKDResponse.swift
index 3c5511608..38a2103d6 100644
--- a/Sources/SourceKitD/SKDResponse.swift
+++ b/Sources/SourceKitD/SKDResponse.swift
@@ -13,7 +13,9 @@
 import Csourcekitd
 import LSPLogging
 
-#if canImport(Glibc)
+#if canImport(Darwin)
+import Darwin
+#elseif canImport(Glibc)
 import Glibc
 #elseif canImport(Musl)
 import Musl
diff --git a/Sources/SourceKitD/SKDResponseArray.swift b/Sources/SourceKitD/SKDResponseArray.swift
index 309a735a0..6667ce881 100644
--- a/Sources/SourceKitD/SKDResponseArray.swift
+++ b/Sources/SourceKitD/SKDResponseArray.swift
@@ -12,7 +12,9 @@
 
 import Csourcekitd
 
-#if canImport(Glibc)
+#if canImport(Darwin)
+import Darwin
+#elseif canImport(Glibc)
 import Glibc
 #elseif canImport(Musl)
 import Musl
diff --git a/Sources/SourceKitD/SKDResponseDictionary.swift b/Sources/SourceKitD/SKDResponseDictionary.swift
index dc7a4562f..4681520ad 100644
--- a/Sources/SourceKitD/SKDResponseDictionary.swift
+++ b/Sources/SourceKitD/SKDResponseDictionary.swift
@@ -12,7 +12,9 @@
 
 import Csourcekitd
 
-#if canImport(Glibc)
+#if canImport(Darwin)
+import Darwin
+#elseif canImport(Glibc)
 import Glibc
 #elseif canImport(Musl)
 import Musl