diff --git a/drivers/staging/brcm80211/brcmsmac/aiutils.h b/drivers/staging/brcm80211/brcmsmac/aiutils.h
index 29415375b6b6..a0fec83111e8 100644
--- a/drivers/staging/brcm80211/brcmsmac/aiutils.h
+++ b/drivers/staging/brcm80211/brcmsmac/aiutils.h
@@ -271,7 +271,7 @@
 #define	CST4330_CBUCK_POWER_OK		0x00004000
 #define	CST4330_BB_PLL_LOCKED		0x00008000
 
-#define	SI_INFO(sih)	(si_info_t *)sih
+#define	SI_INFO(sih)	((si_info_t *)sih)
 
 #define	GOODCOREADDR(x, b) \
 	(((x) >= (b)) && ((x) < ((b) + SI_MAXCORES * SI_CORE_SIZE)) && \