diff --git a/plugins/CMakeLists.txt b/plugins/CMakeLists.txt
index cad7c00b4..9a71be4b8 100644
--- a/plugins/CMakeLists.txt
+++ b/plugins/CMakeLists.txt
@@ -5,7 +5,7 @@ SET(CMAKE_DEBUG_POSTFIX "")
 # Enable C++17
 SET(CMAKE_CXX_STANDARD 17)
 
-IF(LMMS_BUILD_APPLE)
+IF(LMMS_BUILD_APPLE AND CMAKE_CXX_COMPILER_ID MATCHES "Clang")
 	SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
 ENDIF()
 
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index bd543779f..23923f616 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -12,7 +12,7 @@ SET(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR})
 # Enable C++17
 SET(CMAKE_CXX_STANDARD 17)
 
-IF(LMMS_BUILD_APPLE)
+IF(LMMS_BUILD_APPLE AND CMAKE_CXX_COMPILER_ID MATCHES "Clang")
 	SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
 ENDIF()