diff --git a/init.c b/init.c
index 04fcb316..defdd88a 100644
--- a/init.c
+++ b/init.c
@@ -805,6 +805,7 @@ int mt76_register_device(struct mt76_dev *dev)
 	hw->max_rates = 1;
 	hw->max_report_rates = 7;
 	hw->max_rate_tries = 1;
+	hw->extra_tx_headroom = 2;
 
 	ieee80211_hw_set(hw, SIGNAL_DBM);
 	ieee80211_hw_set(hw, PS_NULLFUNC_STACK);