diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index e75db06e8087..6c386dad1d40 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -465,7 +465,7 @@ static int ath9k_htc_aggr_oper(struct ath9k_htc_priv *priv,
 	int ret = 0;
 	u8 cmd_rsp;
 
-	if (tid > ATH9K_HTC_MAX_TID)
+	if (tid >= ATH9K_HTC_MAX_TID)
 		return -EINVAL;
 
 	memset(&aggr, 0, sizeof(struct ath9k_htc_target_aggr));