diff --git a/glm/detail/setup.hpp b/glm/detail/setup.hpp
index 05ffea78..5ab422ee 100644
--- a/glm/detail/setup.hpp
+++ b/glm/detail/setup.hpp
@@ -74,7 +74,7 @@
 
 #if (defined(_MSC_EXTENSIONS))
 #	define GLM_LANG_EXT GLM_LANG_CXXMS_FLAG
-#elif ((GLM_COMPILER & GLM_COMPILER_CLANG) && (GLM_ARCH & GLM_ARCH_SIMD_BIT))
+#elif ((GLM_COMPILER & (GLM_COMPILER_CLANG | GLM_COMPILER_GCC)) && (GLM_ARCH & GLM_ARCH_SIMD_BIT))
 #	define GLM_LANG_EXT GLM_LANG_CXXMS_FLAG
 #else
 #	define GLM_LANG_EXT 0