diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 4044b5505104..d962b5944533 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -4627,6 +4627,10 @@ int nl80211_send_chandef(struct sk_buff *msg, const struct cfg80211_chan_def *ch
 		return -ENOBUFS;
 	if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1))
 		return -ENOBUFS;
+	if (chandef->freq1_offset &&
+	    nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1_OFFSET,
+			chandef->freq1_offset))
+		return -ENOBUFS;
 	if (chandef->center_freq2 &&
 	    nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2))
 		return -ENOBUFS;