diff --git a/mt7925/main.c b/mt7925/main.c
index 88802c79..dec23336 100644
--- a/mt7925/main.c
+++ b/mt7925/main.c
@@ -187,19 +187,21 @@ mt7925_init_eht_caps(struct mt792x_phy *phy, enum nl80211_band band,
 		eht_cap_elem->phy_cap_info[0] |=
 			IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ;
 
+	val = (sts > 3) ? sts - 1 : 3;
+
 	eht_cap_elem->phy_cap_info[0] |=
-		u8_encode_bits(u8_get_bits(sts - 1, BIT(0)),
+		u8_encode_bits(u8_get_bits(val, BIT(0)),
 			       IEEE80211_EHT_PHY_CAP0_BEAMFORMEE_SS_80MHZ_MASK);
 
 	eht_cap_elem->phy_cap_info[1] =
-		u8_encode_bits(u8_get_bits(sts - 1, GENMASK(2, 1)),
+		u8_encode_bits(u8_get_bits(val, GENMASK(2, 1)),
 			       IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK) |
-		u8_encode_bits(sts - 1,
+		u8_encode_bits(val,
 			       IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK);
 
 	if (band == NL80211_BAND_6GHZ && is_320mhz_supported(&phy->dev->mt76))
 		eht_cap_elem->phy_cap_info[1] |=
-			u8_encode_bits(sts - 1,
+			u8_encode_bits(val,
 				       IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_320MHZ_MASK);
 
 	eht_cap_elem->phy_cap_info[2] =