diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index d502cc7a8ff7..0221849b7218 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -15607,7 +15607,7 @@ void cfg80211_sta_opmode_change_notify(struct net_device *dev, const u8 *mac,
 		goto nla_put_failure;
 
 	if ((sta_opmode->changed & STA_OPMODE_MAX_BW_CHANGED) &&
-	    nla_put_u8(msg, NL80211_ATTR_CHANNEL_WIDTH, sta_opmode->bw))
+	    nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, sta_opmode->bw))
 		goto nla_put_failure;
 
 	if ((sta_opmode->changed & STA_OPMODE_N_SS_CHANGED) &&