diff --git a/engines/wintermute/persistent.h b/engines/wintermute/persistent.h
index f760384fb90..1464ae0fd64 100644
--- a/engines/wintermute/persistent.h
+++ b/engines/wintermute/persistent.h
@@ -83,7 +83,7 @@ namespace Wintermute {
 
 #define TMEMBER(memberName) #memberName, &memberName
 #define TMEMBER_PTR(memberName) #memberName, &memberName
-#define TMEMBER_INT(memberName) #memberName, (int*)&memberName
+#define TMEMBER_INT(memberName) #memberName, (int32*)&memberName
 
 } // end of namespace Wintermute