diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 75909a744121..4c59b5507e7a 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1861,7 +1861,7 @@ static bool ieee80211_sta_wmm_params(struct ieee80211_local *local,
 		params[ac].acm = acm;
 		params[ac].uapsd = uapsd;
 
-		if (params->cw_min == 0 ||
+		if (params[ac].cw_min == 0 ||
 		    params[ac].cw_min > params[ac].cw_max) {
 			sdata_info(sdata,
 				   "AP has invalid WMM params (CWmin/max=%d/%d for ACI %d), using defaults\n",