diff --git a/reactos/drivers/dd/bootvid/bootvid.c b/reactos/drivers/dd/bootvid/bootvid.c
index 00740a61941..53a67649bd4 100644
--- a/reactos/drivers/dd/bootvid/bootvid.c
+++ b/reactos/drivers/dd/bootvid/bootvid.c
@@ -69,7 +69,7 @@ long maskbit[640];
 static CLIENT_ID BitmapThreadId;
 static PUCHAR BootimageBitmap;
 
-static ULONG ShutdownNotify;
+static LONG ShutdownNotify;
 static KEVENT ShutdownCompleteEvent;
 
 /* DATA **********************************************************************/