diff --git a/net/netfilter/xt_quota2.c b/net/netfilter/xt_quota2.c
index 81ce67e..641e36e 100644
--- a/net/netfilter/xt_quota2.c
+++ b/net/netfilter/xt_quota2.c
@@ -343,6 +343,7 @@
 		.match      = quota_mt2,
 		.destroy    = quota_mt2_destroy,
 		.matchsize  = sizeof(struct xt_quota_mtinfo2),
+		.usersize   = offsetof(struct xt_quota_mtinfo2, master),
 		.me         = THIS_MODULE,
 	},
 	{
@@ -353,6 +354,7 @@
 		.match      = quota_mt2,
 		.destroy    = quota_mt2_destroy,
 		.matchsize  = sizeof(struct xt_quota_mtinfo2),
+		.usersize   = offsetof(struct xt_quota_mtinfo2, master),
 		.me         = THIS_MODULE,
 	},
 };