diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 7fccb5c0e4c6..74db51348a7f 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -3259,8 +3259,10 @@ int cfg80211_wext_siwscan(struct net_device *dev,
 			memcpy(creq->ssids[0].ssid, wreq->essid, wreq->essid_len);
 			creq->ssids[0].ssid_len = wreq->essid_len;
 		}
-		if (wreq->scan_type == IW_SCAN_TYPE_PASSIVE)
+		if (wreq->scan_type == IW_SCAN_TYPE_PASSIVE) {
+			creq->ssids = NULL;
 			creq->n_ssids = 0;
+		}
 	}
 
 	for (i = 0; i < NUM_NL80211_BANDS; i++)