diff --git a/src/hostapi/wdmks/pa_win_wdmks.c b/src/hostapi/wdmks/pa_win_wdmks.c
index 15ba438..add663b 100644
--- a/src/hostapi/wdmks/pa_win_wdmks.c
+++ b/src/hostapi/wdmks/pa_win_wdmks.c
@@ -163,9 +163,15 @@ Default is to use the pin category.
 #define DYNAMIC_GUID(data) {data}
 #define _NTRTL_ /* Turn off default definition of DEFINE_GUIDEX */
 #undef DEFINE_GUID
-#define DEFINE_GUID(n,data) EXTERN_C const GUID n = {data}
-#define DEFINE_GUID_THUNK(n,data) DEFINE_GUID(n,data)
-#define DEFINE_GUIDEX(n) DEFINE_GUID_THUNK(n, STATIC_##n)
+#ifdef __clang__ /* clang-cl: avoid too many arguments error */
+  #define DEFINE_GUID(n, ...) EXTERN_C const GUID n = {__VA_ARGS__}
+  #define DEFINE_GUID_THUNK(n, ...) DEFINE_GUID(n, __VA_ARGS__)
+  #define DEFINE_GUIDEX(n) DEFINE_GUID_THUNK(n, STATIC_##n)
+#else
+  #define DEFINE_GUID(n, data) EXTERN_C const GUID n = {data}
+  #define DEFINE_GUID_THUNK(n, data) DEFINE_GUID(n, data)
+  #define DEFINE_GUIDEX(n) DEFINE_GUID_THUNK(n, STATIC_##n)
+#endif /* __clang__ */
 #endif
 
 #include <setupapi.h>