diff --git a/mt7921/main.c b/mt7921/main.c
index 0f02a04a..785e7c53 100644
--- a/mt7921/main.c
+++ b/mt7921/main.c
@@ -1156,10 +1156,10 @@ static int mt7921_suspend(struct ieee80211_hw *hw,
 	mt792x_mutex_acquire(dev);
 
 	clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
-	ieee80211_iterate_active_interfaces(hw,
-					    IEEE80211_IFACE_ITER_RESUME_ALL,
-					    mt7921_mcu_set_suspend_iter,
-					    &dev->mphy);
+	ieee80211_iterate_active_interfaces_mtx(hw,
+						IEEE80211_IFACE_ITER_RESUME_ALL,
+						mt7921_mcu_set_suspend_iter,
+						&dev->mphy);
 
 	mt792x_mutex_release(dev);
 
@@ -1174,10 +1174,10 @@ static int mt7921_resume(struct ieee80211_hw *hw)
 	mt792x_mutex_acquire(dev);
 
 	set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
-	ieee80211_iterate_active_interfaces(hw,
-					    IEEE80211_IFACE_ITER_RESUME_ALL,
-					    mt76_connac_mcu_set_suspend_iter,
-					    &dev->mphy);
+	ieee80211_iterate_active_interfaces_mtx(hw,
+						IEEE80211_IFACE_ITER_RESUME_ALL,
+						mt76_connac_mcu_set_suspend_iter,
+						&dev->mphy);
 
 	ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work,
 				     MT792x_WATCHDOG_TIME);