diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c
index ba6fc27f4a1a..618eeaf6e331 100644
--- a/drivers/net/wireless/ath/ath12k/mac.c
+++ b/drivers/net/wireless/ath/ath12k/mac.c
@@ -1614,7 +1614,9 @@ static void ath12k_peer_assoc_h_he(struct ath12k *ar,
 {
 	const struct ieee80211_sta_he_cap *he_cap = &sta->deflink.he_cap;
 	int i;
-	u8 ampdu_factor, rx_mcs_80, rx_mcs_160, max_nss;
+	u8 ampdu_factor, max_nss;
+	u8 rx_mcs_80 = IEEE80211_HE_MCS_NOT_SUPPORTED;
+	u8 rx_mcs_160 = IEEE80211_HE_MCS_NOT_SUPPORTED;
 	u16 mcs_160_map, mcs_80_map;
 	bool support_160;
 	u16 v;