diff --git a/src/nm-ip4-config.c b/src/nm-ip4-config.c
index f017a3e..9ad8116 100644
--- a/src/nm-ip4-config.c
+++ b/src/nm-ip4-config.c
@@ -3227,6 +3227,9 @@ out_addresses_cached:
 
 			nm_assert (_route_valid (route));
 
+			if (route->type_coerced != nm_platform_route_type_coerce (RTN_UNICAST))
+				continue;
+
 			g_variant_builder_init (&route_builder, G_VARIANT_TYPE ("a{sv}"));
 			g_variant_builder_add (&route_builder, "{sv}",
 			                       "dest",
diff --git a/src/nm-ip4-config.h b/src/nm-ip4-config.h
index dc8222f..ea06174 100644
--- a/src/nm-ip4-config.h
+++ b/src/nm-ip4-config.h
@@ -83,7 +83,8 @@ nm_ip_config_best_default_route_is (const NMPObject *obj)
 	 * Note that this only considers the main routing table. */
 	return    r
 	       && NM_PLATFORM_IP_ROUTE_IS_DEFAULT (r)
-	       && nm_platform_route_table_is_main (r->table_coerced);
+	       && nm_platform_route_table_is_main (r->table_coerced)
+	       && r->type_coerced == nm_platform_route_type_coerce (1 /*RTN_UNICAST*/);
 }
 
 const NMPObject *_nm_ip_config_best_default_route_find_better (const NMPObject *obj_cur, const NMPObject *obj_cmp);
diff --git a/src/nm-ip6-config.c b/src/nm-ip6-config.c
index 1589cad..deb30e7 100644
--- a/src/nm-ip6-config.c
+++ b/src/nm-ip6-config.c
@@ -2682,6 +2682,9 @@ out_addresses_cached:
 
 			nm_assert (_route_valid (route));
 
+			if (route->type_coerced != nm_platform_route_type_coerce (RTN_UNICAST))
+				continue;
+
 			g_variant_builder_init (&route_builder, G_VARIANT_TYPE ("a{sv}"));
 			g_variant_builder_add (&route_builder, "{sv}",
 			                       "dest",