diff --git a/DeveloperTools/Controllers/RoutesController.cs b/DeveloperTools/Controllers/RoutesController.cs
index e01dd5a..74a6c69 100644
--- a/DeveloperTools/Controllers/RoutesController.cs
+++ b/DeveloperTools/Controllers/RoutesController.cs
@@ -194,7 +194,7 @@ RouteModel CreateRouteModelData(string name, Route rr, int index)
                 rm.Url = GetUrl(rr);
             }
 
-            rm.RouteHandler = rr.RouteHandler.GetType().ToString();
+            rm.RouteHandler = rr.RouteHandler?.GetType().ToString();
             rm.Defaults = GetRouteValueDictionary(rr.Defaults);
             rm.Constraints = GetRouteValueDictionary(rr.Constraints);
             rm.DataTokens = GetRouteValueDictionary(rr.DataTokens);