diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 128ac2a..1faea9d 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1620,8 +1620,8 @@
 	__le32 tmp;
 
 	*pos++ = WLAN_EID_VHT_CAPABILITY;
-	*pos++ = sizeof(struct ieee80211_vht_capabilities);
-	memset(pos, 0, sizeof(struct ieee80211_vht_capabilities));
+	*pos++ = sizeof(struct ieee80211_vht_cap);
+	memset(pos, 0, sizeof(struct ieee80211_vht_cap));
 
 	/* capability flags */
 	tmp = cpu_to_le32(cap);