diff --git a/.hgsubstate b/.hgsubstate
index 0e95f9da8..df13f715e 100644
--- a/.hgsubstate
+++ b/.hgsubstate
@@ -1,9 +1,9 @@
-668ae298714aa3b95f13d23676d286f201e0df04 src/Orchard.Web/Modules/Orchard.Alias
-ed95d05246746a3689819176746760fff4fef633 src/Orchard.Web/Modules/Orchard.Autoroute
+8e658d4d0ae81a537e582204d899bfcd265f977e src/Orchard.Web/Modules/Orchard.Alias
+bce623c333ca90f0f815843c04c8d124f2c7b6d9 src/Orchard.Web/Modules/Orchard.Autoroute
 67bf9897ee9dd9483369aece729ad7c6f042941c src/Orchard.Web/Modules/Orchard.Forms
 6033664adc404a22f311029b69fbf1e34dc4ff2a src/Orchard.Web/Modules/Orchard.Projections
 a1ef39ba4e2d0cd78b3c91d6150e841793acb34b src/Orchard.Web/Modules/Orchard.Routable
 f2a3984789ebe5caf2822ccb9e1d2c953add9c35 src/Orchard.Web/Modules/Orchard.Rules
 ce578373f907c0a55fd91229a344f0755f290174 src/Orchard.Web/Modules/Orchard.TaskLease
 42d34730d8bb22052585ca94e3e945111aea3b9d src/Orchard.Web/Modules/Orchard.Tokens
-7fa9f5cc93bd4e9f88caef9f4060f4f65b3902b9 src/orchard.web/modules/Orchard.Fields
+d52740a18e06e5aa2b01bef90363bcb230bd3fb8 src/orchard.web/modules/Orchard.Fields
diff --git a/src/Orchard/Utility/Extensions/RouteValueDictionaryExtensions.cs b/src/Orchard/Utility/Extensions/RouteValueDictionaryExtensions.cs
index 18e5ae14e..016ee0ddb 100644
--- a/src/Orchard/Utility/Extensions/RouteValueDictionaryExtensions.cs
+++ b/src/Orchard/Utility/Extensions/RouteValueDictionaryExtensions.cs
@@ -1,3 +1,5 @@
+using System;
+using System.Linq;
 using System.Web.Routing;
 
 namespace Orchard.Utility.Extensions {
@@ -17,5 +19,22 @@ namespace Orchard.Utility.Extensions {
 
             return newDictionary;
         }
+
+        public static bool Compare(this RouteValueDictionary x, RouteValueDictionary y) {
+            if(x == y) {
+                return true;
+            }
+
+            if(x == null || y == null) {
+                return false;
+            }
+
+            if(x.Count != y.Count) {
+                return false;
+            }
+
+            // keys can be different in case
+            return x.Keys.All(key => x[key].ToString().Equals(y[key].ToString(), StringComparison.OrdinalIgnoreCase));
+        }
     }
 }
\ No newline at end of file