diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index 4dd9ff43b8b68e6f9b509ed0650d8c5d5a31dd8d..f0cebf12c7b8415a3c787d0cc77a9b2b1c2a15ef 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -1332,6 +1332,7 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
 		 */
 		iwl_mvm_remove_time_event(mvm, mvmvif,
 					  &mvmvif->time_event_data);
+		iwl_mvm_sf_update(mvm, vif, false);
 		WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, CMD_SYNC));
 	} else if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS |
 			      BSS_CHANGED_QOS)) {
diff --git a/drivers/net/wireless/iwlwifi/mvm/sf.c b/drivers/net/wireless/iwlwifi/mvm/sf.c
index 8401627c003098f04d020fc2fb242c48447ac1b0..88809b2d165445fcf9188c8f91bcf755a9e6704f 100644
--- a/drivers/net/wireless/iwlwifi/mvm/sf.c
+++ b/drivers/net/wireless/iwlwifi/mvm/sf.c
@@ -274,7 +274,8 @@ int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *changed_vif,
 				return -EINVAL;
 			if (changed_vif->type != NL80211_IFTYPE_STATION) {
 				new_state = SF_UNINIT;
-			} else if (changed_vif->bss_conf.assoc) {
+			} else if (changed_vif->bss_conf.assoc &&
+				   changed_vif->bss_conf.dtim_period) {
 				mvmvif = iwl_mvm_vif_from_mac80211(changed_vif);
 				sta_id = mvmvif->ap_sta_id;
 				new_state = SF_FULL_ON;