diff --git a/drivers/staging/vt6656/key.c b/drivers/staging/vt6656/key.c
index a7c7a2d3ba4c..7275f09e88b7 100644
--- a/drivers/staging/vt6656/key.c
+++ b/drivers/staging/vt6656/key.c
@@ -98,6 +98,8 @@ static int vnt_set_keymode(struct ieee80211_hw *hw, u8 *mac_addr,
 	case  VNT_KEY_PAIRWISE:
 		key_mode |= mode;
 		key_inx = 4;
+		/* Don't save entry for pairwise key */
+		clear_bit(entry, &priv->key_entry_inuse);
 		break;
 	default:
 		return -EINVAL;