diff --git a/src/platform/nm-fake-platform.c b/src/platform/nm-fake-platform.c
index a5eb7d4ed3..b4bad844f0 100644
--- a/src/platform/nm-fake-platform.c
+++ b/src/platform/nm-fake-platform.c
@@ -1076,6 +1076,8 @@ ip4_route_add (NMPlatform *platform, int ifindex, NMIPConfigSource source,
 			continue;
 		if (item->plen != route.plen)
 			continue;
+		if (item->metric != metric)
+			continue;
 
 		memcpy (item, &route, sizeof (route));
 		g_signal_emit_by_name (platform, NM_PLATFORM_SIGNAL_IP4_ROUTE_CHANGED, ifindex, &route, NM_PLATFORM_SIGNAL_CHANGED, NM_PLATFORM_REASON_INTERNAL);
@@ -1097,6 +1099,8 @@ ip6_route_add (NMPlatform *platform, int ifindex, NMIPConfigSource source,
 	NMPlatformIP6Route route;
 	guint i;
 
+	metric = nm_utils_ip6_route_metric_normalize (metric);
+
 	memset (&route, 0, sizeof (route));
 	route.source = NM_IP_CONFIG_SOURCE_KERNEL;
 	route.ifindex = ifindex;
@@ -1116,6 +1120,8 @@ ip6_route_add (NMPlatform *platform, int ifindex, NMIPConfigSource source,
 			continue;
 		if (item->plen != route.plen)
 			continue;
+		if (item->metric != metric)
+			continue;
 
 		memcpy (item, &route, sizeof (route));
 		g_signal_emit_by_name (platform, NM_PLATFORM_SIGNAL_IP6_ROUTE_CHANGED, ifindex, &route, NM_PLATFORM_SIGNAL_CHANGED, NM_PLATFORM_REASON_INTERNAL);
@@ -1153,6 +1159,8 @@ ip6_route_get (NMPlatform *platform, int ifindex, struct in6_addr network, int p
 	NMFakePlatformPrivate *priv = NM_FAKE_PLATFORM_GET_PRIVATE (platform);
 	int i;
 
+	metric = nm_utils_ip6_route_metric_normalize (metric);
+
 	for (i = 0; i < priv->ip6_routes->len; i++) {
 		NMPlatformIP6Route *route = &g_array_index (priv->ip6_routes, NMPlatformIP6Route, i);