diff --git a/src/osd/windows/windows.mak b/src/osd/windows/windows.mak
index 17f127bac17..f4628b8416b 100644
--- a/src/osd/windows/windows.mak
+++ b/src/osd/windows/windows.mak
@@ -222,7 +222,7 @@ DEFS += -Dmain=utf8_main
 
 # debug build: enable guard pages on all memory allocations
 ifdef DEBUG
-#DEFS += -DMALLOC_DEBUG
+DEFS += -DMALLOC_DEBUG
 endif
 
 
diff --git a/src/osd/windows/winmisc.c b/src/osd/windows/winmisc.c
index 078f0b25835..63d8642b8fb 100644
--- a/src/osd/windows/winmisc.c
+++ b/src/osd/windows/winmisc.c
@@ -45,7 +45,7 @@
 #include <tchar.h>
 
 // MAME headers
-#include "osdcore.h"
+#include "emucore.h"
 
 // MAMEOS headers
 #include "winutf8.h"