diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c
index f06c311fac2a284f681d3c8b3e3708be2c6cdab8..52a7386d20745643c57a85d955024cfbe9d49ca4 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c
@@ -820,7 +820,7 @@ static struct sk_buff* ieee80211_probe_resp(struct ieee80211_device *ieee, u8 *d
 		cpu_to_le16(ieee->current_network.capability & WLAN_CAPABILITY_IBSS);
 
 	if(ieee->short_slot && (ieee->current_network.capability & WLAN_CAPABILITY_SHORT_SLOT))
-		cpu_to_le16((beacon_buf->capability |= WLAN_CAPABILITY_SHORT_SLOT));
+		beacon_buf->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT);
 
 	crypt = ieee->crypt[ieee->tx_keyidx];