diff --git a/platform/windows/cpu_feature_validation.c b/platform/windows/cpu_feature_validation.c
index ce52ba95d9e..221b1a371a6 100644
--- a/platform/windows/cpu_feature_validation.c
+++ b/platform/windows/cpu_feature_validation.c
@@ -36,6 +36,10 @@ extern int WINAPI mainCRTStartup();
 extern int WINAPI WinMainCRTStartup();
 #endif
 
+#if defined(__GNUC__) || defined(__clang__)
+extern int WINAPI ShimMainCRTStartup() __attribute__((used));
+#endif
+
 extern int WINAPI ShimMainCRTStartup() {
 	if (IsProcessorFeaturePresent(PF_SSE4_2_INSTRUCTIONS_AVAILABLE)) {
 #ifdef WINDOWS_SUBSYSTEM_CONSOLE