diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index c13b209fad47..5fb2fa7adf07 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1045,6 +1045,9 @@ ieee80211_tx_h_stats(struct ieee80211_tx_data *tx)
 static ieee80211_tx_result debug_noinline
 ieee80211_tx_h_encrypt(struct ieee80211_tx_data *tx)
 {
+	if (tx->key)
+		printk("key cipher = 0x%x\n",
+		       tx->key->conf.cipher);
 	if (!tx->key)
 		return TX_CONTINUE;