diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index 514627f56339a59e1ff9e26d8a808dbe2c944135..10422ef14e28dcf914264da0c4365401ae018574 100644
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -160,7 +160,8 @@ struct fib_table {
 	struct hlist_node tb_hlist;
 	u32		tb_id;
 	int		tb_default;
-	unsigned char	tb_data[0];
+	int		tb_num_default;
+	unsigned long	tb_data[0];
 };
 
 extern int fib_table_lookup(struct fib_table *tb, const struct flowi4 *flp,
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index bde80c450b52cc3e000e69468e27ea921488d70c..9ac481a10d37dbff04910af538ab0a624fd2808c 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -1332,6 +1332,9 @@ int fib_table_insert(struct fib_table *tb, struct fib_config *cfg)
 		}
 	}
 
+	if (!plen)
+		tb->tb_num_default++;
+
 	list_add_tail_rcu(&new_fa->fa_list,
 			  (fa ? &fa->fa_list : fa_head));
 
@@ -1697,6 +1700,9 @@ int fib_table_delete(struct fib_table *tb, struct fib_config *cfg)
 
 	list_del_rcu(&fa->fa_list);
 
+	if (!plen)
+		tb->tb_num_default--;
+
 	if (list_empty(fa_head)) {
 		hlist_del_rcu(&li->hlist);
 		free_leaf_info(li);
@@ -1987,6 +1993,7 @@ struct fib_table *fib_trie_table(u32 id)
 
 	tb->tb_id = id;
 	tb->tb_default = -1;
+	tb->tb_num_default = 0;
 
 	t = (struct trie *) tb->tb_data;
 	memset(t, 0, sizeof(*t));
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 0e7430c327a76fc06de65952b5276b3c80876dd5..e9aee81de3e32caf05ae812c856d31aa41745eed 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2615,7 +2615,9 @@ static struct rtable *ip_route_output_slow(struct net *net,
 		fib_select_multipath(&res);
 	else
 #endif
-	if (!res.prefixlen && res.type == RTN_UNICAST && !fl4.flowi4_oif)
+	if (!res.prefixlen &&
+	    res.table->tb_num_default > 1 &&
+	    res.type == RTN_UNICAST && !fl4.flowi4_oif)
 		fib_select_default(&res);
 
 	if (!fl4.saddr)