diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h
index d25d3be..165f81d 100644
--- a/drivers/message/fusion/mptbase.h
+++ b/drivers/message/fusion/mptbase.h
@@ -436,7 +436,7 @@
 typedef struct _mpt_ioctl_events {
 	u32	event;		/* Specified by define above */
 	u32	eventContext;	/* Index or counter */
-	int	data[2];	/* First 8 bytes of Event Data */
+	u32	data[2];	/* First 8 bytes of Event Data */
 } MPT_IOCTL_EVENTS;
 
 /*