diff --git a/src/scripts/device/state-routes.lua b/src/scripts/device/state-routes.lua
index b889524b..e71a76f5 100644
--- a/src/scripts/device/state-routes.lua
+++ b/src/scripts/device/state-routes.lua
@@ -114,7 +114,7 @@ apply_route_props_hook = SimpleEventHook {
     local dev_info = devinfo:get_device_info (device)
     assert (dev_info)
 
-    if next (selected_routes) == nil then
+    if selected_routes:get_count () == 0 then
       log:info (device, "No routes selected to set on " .. dev_info.name)
       return
     end