diff --git a/reactos/include/base.h b/reactos/include/base.h
index 7242dc38b0c..8f7b3625ef7 100644
--- a/reactos/include/base.h
+++ b/reactos/include/base.h
@@ -134,7 +134,8 @@ typedef char *LPTSTR;
 typedef long *PLONG;
 typedef unsigned short *PWCHAR;
 typedef char *LPSTR;
-typedef double LONGLONG, *PLONGLONG;
+//typedef double LONGLONG, *PLONGLONG;
+   typedef long long LONGLONG, *PLONGLONG;
 
    typedef enum _MEDIA_TYPE { 
   Unknown,