diff --git a/mt7915/init.c b/mt7915/init.c
index 0e971f80..8f0f5089 100644
--- a/mt7915/init.c
+++ b/mt7915/init.c
@@ -759,7 +759,7 @@ mt7915_init_he_caps(struct mt7915_phy *phy, enum nl80211_band band,
 			IEEE80211_HE_MAC_CAP0_HTC_HE;
 		he_cap_elem->mac_cap_info[3] =
 			IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
-			IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED;
+			IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3;
 		he_cap_elem->mac_cap_info[4] =
 			IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU;
 
diff --git a/mt7921/main.c b/mt7921/main.c
index de1b36e8..c51266e4 100644
--- a/mt7921/main.c
+++ b/mt7921/main.c
@@ -65,7 +65,7 @@ mt7921_init_he_caps(struct mt7921_phy *phy, enum nl80211_band band,
 			IEEE80211_HE_MAC_CAP0_HTC_HE;
 		he_cap_elem->mac_cap_info[3] =
 			IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
-			IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED;
+			IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3;
 		he_cap_elem->mac_cap_info[4] =
 			IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU;