diff --git a/cc/config/clang.go b/cc/config/clang.go
index 2ef153b..302c68e 100644
--- a/cc/config/clang.go
+++ b/cc/config/clang.go
@@ -77,6 +77,9 @@
 	"-fno-inline-functions-called-once",
 	"-mfpmath=sse",
 	"-mbionic",
+
+	// windows
+	"--enable-stdcall-fixup",
 })
 
 var ClangLibToolingUnknownCflags = []string{