diff --git a/drivers/staging/rtl8723bs/core/rtw_security.c b/drivers/staging/rtl8723bs/core/rtw_security.c
index b489babe7432..1a6dd4f4bdda 100644
--- a/drivers/staging/rtl8723bs/core/rtw_security.c
+++ b/drivers/staging/rtl8723bs/core/rtw_security.c
@@ -1339,7 +1339,7 @@ u32 rtw_BIP_verify(struct adapter *padapter, u8 *precvframe)
 			goto BIP_exit;
 
 		/* MIC field should be last 8 bytes of packet (packet without FCS) */
-		if (!memcmp(mic, pframe+pattrib->pkt_len-8, 8)) {
+		if (!memcmp(mic, pframe + pattrib->pkt_len - 8, 8)) {
 			pmlmeext->mgnt_80211w_IPN_rx = temp_ipn;
 			res = _SUCCESS;
 		} else {