diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c
index d5d2a6dc3921..cb7a3fa0e728 100644
--- a/net/sched/cls_u32.c
+++ b/net/sched/cls_u32.c
@@ -761,7 +761,9 @@ static const struct nla_policy u32_policy[TCA_U32_MAX + 1] = {
 	[TCA_U32_HASH]		= { .type = NLA_U32 },
 	[TCA_U32_LINK]		= { .type = NLA_U32 },
 	[TCA_U32_DIVISOR]	= { .type = NLA_U32 },
-	[TCA_U32_SEL]		= { .len = sizeof(struct tc_u32_sel) },
+	[TCA_U32_SEL]		= { .type = NLA_BINARY,
+				    .len = (sizeof(struct tc_u32_sel) +
+					    (128*sizeof(struct tc_u32_key)) },
 	[TCA_U32_INDEV]		= { .type = NLA_STRING, .len = IFNAMSIZ },
 	[TCA_U32_MARK]		= { .len = sizeof(struct tc_u32_mark) },
 	[TCA_U32_FLAGS]		= { .type = NLA_U32 },