diff --git a/package/mac80211/patches/540-mac80211_tx_optimization.patch b/package/mac80211/patches/540-mac80211_tx_optimization.patch
index e239abd828..a322078223 100644
--- a/package/mac80211/patches/540-mac80211_tx_optimization.patch
+++ b/package/mac80211/patches/540-mac80211_tx_optimization.patch
@@ -8,7 +8,7 @@
 +	else if (head_need || tail_need)
  		I802_DEBUG_INC(local->tx_expand_skb_head);
 +	else
-+		return;
++		return 0;
  
  	if (pskb_expand_head(skb, head_need, tail_need, GFP_ATOMIC)) {
  		wiphy_debug(local->hw.wiphy,