diff --git a/drivers/staging/brcm80211/brcmfmac/wl_iw.c b/drivers/staging/brcm80211/brcmfmac/wl_iw.c
index d583b9d65d35..e714d6a9452b 100644
--- a/drivers/staging/brcm80211/brcmfmac/wl_iw.c
+++ b/drivers/staging/brcm80211/brcmfmac/wl_iw.c
@@ -15,6 +15,7 @@
  */
 
 #include <linux/kthread.h>
+#include <linux/semaphore.h>
 #include <bcmdefs.h>
 #include <linux/netdevice.h>
 #include <osl.h>