diff --git a/miniaudio.h b/miniaudio.h
index 2b22dd37..88519809 100644
--- a/miniaudio.h
+++ b/miniaudio.h
@@ -3734,9 +3734,9 @@ typedef ma_uint16 wchar_t;
 /* Platform/backend detection. */
 #ifdef _WIN32
     #define MA_WIN32
-    #if defined(WINAPI_FAMILY) && (WINAPI_FAMILY == WINAPI_FAMILY_PC_APP || WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP)
+    #if defined(WINAPI_FAMILY) && ((defined(WINAPI_FAMILY_PC_APP) && WINAPI_FAMILY == WINAPI_FAMILY_PC_APP) || (defined(WINAPI_FAMILY_PHONE_APP) && WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP))
         #define MA_WIN32_UWP
-    #elif defined(WINAPI_FAMILY) && (WINAPI_FAMILY == WINAPI_FAMILY_GAMES)
+    #elif defined(WINAPI_FAMILY) && (defined(WINAPI_FAMILY_GAMES) && WINAPI_FAMILY == WINAPI_FAMILY_GAMES)
         #define MA_WIN32_GDK
     #else
         #define MA_WIN32_DESKTOP