diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index a2cb6a302cc74216d0ac929a2a193b1c0c5c0a25..7892b0a8873e7418819c1d7948764fd1dda553c3 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -594,7 +594,8 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx)
 			break;
 		}
 
-		if (unlikely(tx->key && tx->key->flags & KEY_FLAG_TAINTED))
+		if (unlikely(tx->key && tx->key->flags & KEY_FLAG_TAINTED &&
+			     !ieee80211_is_deauth(hdr->frame_control)))
 			return TX_DROP;
 
 		if (!skip_hw && tx->key &&