diff --git a/mt7615/mcu.c b/mt7615/mcu.c
index 52635fa4..294a6f0e 100644
--- a/mt7615/mcu.c
+++ b/mt7615/mcu.c
@@ -338,10 +338,11 @@ static int mt7615_mcu_fw_pmctrl(struct mt7615_dev *dev)
 	}
 
 	mt7622_trigger_hif_int(dev, false);
-
-	pm->stats.last_doze_event = jiffies;
-	pm->stats.awake_time += pm->stats.last_doze_event -
-				pm->stats.last_wake_event;
+	if (!err) {
+		pm->stats.last_doze_event = jiffies;
+		pm->stats.awake_time += pm->stats.last_doze_event -
+					pm->stats.last_wake_event;
+	}
 out:
 	mutex_unlock(&pm->mutex);