diff --git a/Sources/FoundationEssentials/CMakeLists.txt b/Sources/FoundationEssentials/CMakeLists.txt
index ad32fe78b..d9ebc2ebb 100644
--- a/Sources/FoundationEssentials/CMakeLists.txt
+++ b/Sources/FoundationEssentials/CMakeLists.txt
@@ -78,7 +78,7 @@ if(NOT BUILD_SHARED_LIBS)
     target_compile_options(FoundationEssentials PRIVATE
         "SHELL:$<$<COMPILE_LANGUAGE:Swift>:-Xfrontend -public-autolink-library -Xfrontend _FoundationCollections>")
     target_compile_options(FoundationEssentials PRIVATE
-        "SHELL:$<$<COMPILE_LANGUAGE:Swift>:-Xfrontend -public-autolink-library -Xfrontend Synchronization>")
+        "SHELL:$<$<COMPILE_LANGUAGE:Swift>:-Xfrontend -public-autolink-library -Xfrontend swiftSynchronization>")
 endif()
 
 set_target_properties(FoundationEssentials PROPERTIES
diff --git a/Sources/FoundationInternationalization/CMakeLists.txt b/Sources/FoundationInternationalization/CMakeLists.txt
index 3255e6a09..c58f42639 100644
--- a/Sources/FoundationInternationalization/CMakeLists.txt
+++ b/Sources/FoundationInternationalization/CMakeLists.txt
@@ -44,6 +44,8 @@ if(NOT BUILD_SHARED_LIBS)
         "SHELL:$<$<COMPILE_LANGUAGE:Swift>:-Xfrontend -public-autolink-library -Xfrontend _FoundationCShims>")
     target_compile_options(FoundationInternationalization PRIVATE
         "SHELL:$<$<COMPILE_LANGUAGE:Swift>:-Xfrontend -public-autolink-library -Xfrontend _FoundationICU>")
+    target_compile_options(FoundationEssentials PRIVATE
+        "SHELL:$<$<COMPILE_LANGUAGE:Swift>:-Xfrontend -public-autolink-library -Xfrontend swiftSynchronization>")
 endif()
 
 set_target_properties(FoundationInternationalization PROPERTIES