diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 541a40a..00e9a2d 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -2137,6 +2137,8 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
 			rcu_read_unlock();
 			return;
 		}
+		/* update new sta with its last rx activity */
+		sta->last_rx = jiffies;
 	}
 
 	/*