diff --git a/drivers/net/wireless/rt2x00/rt2x00debug.c b/drivers/net/wireless/rt2x00/rt2x00debug.c
index 07d378ef0b46297995d016b039af2452e2646bea..7b3ee8c2eaef91bac4c9d959f69785d197c1ff35 100644
--- a/drivers/net/wireless/rt2x00/rt2x00debug.c
+++ b/drivers/net/wireless/rt2x00/rt2x00debug.c
@@ -138,7 +138,7 @@ void rt2x00debug_update_crypto(struct rt2x00_dev *rt2x00dev,
 
 	if (cipher == CIPHER_TKIP_NO_MIC)
 		cipher = CIPHER_TKIP;
-	if (cipher == CIPHER_NONE || cipher > CIPHER_MAX)
+	if (cipher == CIPHER_NONE || cipher >= CIPHER_MAX)
 		return;
 
 	/* Remove CIPHER_NONE index */