diff --git a/Source/Core/Common/Src/Common.h b/Source/Core/Common/Src/Common.h
index fd5eb57727..b07d734a7d 100644
--- a/Source/Core/Common/Src/Common.h
+++ b/Source/Core/Common/Src/Common.h
@@ -46,12 +46,12 @@ extern "C" {
 #define MAX_PATH 260
 #define WEAK_SYMBOL __attribute__((weak))
 #define stricmp strcasecmp
-#define Crash() {asm ("int $3");}
-// #ifdef 64bit
-// #define _M_IX86
-// #else
-#define _M_X64
-// #endf
+#define Crash() {asm ("int $3");}
+#ifdef _LP64
+#define _M_X64 1
+#else
+#define _M_IX86 1
+#endif
 #endif
 
 // Types