diff --git a/Frameworks/Dumb/dumb/include/dumb.h b/Frameworks/Dumb/dumb/include/dumb.h
index 7d987b0d8..73d51406c 100644
--- a/Frameworks/Dumb/dumb/include/dumb.h
+++ b/Frameworks/Dumb/dumb/include/dumb.h
@@ -25,9 +25,11 @@
 #include <stdio.h>
 
 #ifdef _DEBUG
+#ifdef _MSC_VER
 #define _CRTDBG_MAP_ALLOC
 #include <crtdbg.h>
 #endif
+#endif
 
 #ifdef __cplusplus
 	extern "C" {