diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 17708fccf1ee91f2c9d563e2a19f2eadd79d0c9a..d69beaf83627ec2c49fea6e6bd0302c72a9ba70a 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1013,7 +1013,7 @@ static int br_ip6_multicast_mld2_report(struct net_bridge *br,
 
 		nsrcs = skb_header_pointer(skb,
 					   len + offsetof(struct mld2_grec,
-							  grec_mca),
+							  grec_nsrcs),
 					   sizeof(_nsrcs), &_nsrcs);
 		if (!nsrcs)
 			return -EINVAL;