diff --git a/config templates/config/ClientDependency.config b/config templates/config/ClientDependency.config
index aa695b38f1..ed4c3ee102 100644
--- a/config templates/config/ClientDependency.config	
+++ b/config templates/config/ClientDependency.config	
@@ -10,7 +10,7 @@ NOTES:
 * Compression/Combination/Minification is not enabled unless debug="false" is specified on the 'compiliation' element in the web.config
 * A new version will invalidate both client and server cache and create new persisted files
 -->
-<clientDependency version="33">
+<clientDependency version="34">
 
   <fileRegistration defaultProvider="LoaderControlProvider" fileDependencyExtensions=".js,.css">
     <providers>
diff --git a/umbraco/presentation/config/ClientDependency.config b/umbraco/presentation/config/ClientDependency.config
index f6be1a0d69..78a1e9eaf2 100644
--- a/umbraco/presentation/config/ClientDependency.config
+++ b/umbraco/presentation/config/ClientDependency.config
@@ -10,7 +10,7 @@ NOTES:
 * Compression/Combination/Minification is not enabled unless debug="false" is specified on the 'compiliation' element in the web.config
 * A new version will invalidate both client and server cache and create new persisted files
 -->
-<clientDependency version="33">
+<clientDependency version="34">
   
   <fileRegistration defaultProvider="LoaderControlProvider" fileDependencyExtensions=".js,.css"> 
     <providers>
diff --git a/umbraco/presentation/umbraco_client/Tree/UmbracoTree.js b/umbraco/presentation/umbraco_client/Tree/UmbracoTree.js
index c27ff97d46..5e055b2d1e 100644
--- a/umbraco/presentation/umbraco_client/Tree/UmbracoTree.js
+++ b/umbraco/presentation/umbraco_client/Tree/UmbracoTree.js
@@ -880,15 +880,17 @@ Umbraco.Sys.registerNamespace("Umbraco.Controls");
             _getUrlParams: function(nodeSource) {
                 /// <summary>This converts Url query string params to json</summary>
                 var p = {};
-                var urlSplit = nodeSource.split("?");
-                if (urlSplit.length > 1) {
-                    var sp = urlSplit[1].split("&");
-                    for (var i = 0; i < sp.length; i++) {
-                        var e = sp[i].split("=");
-                        p[e[0]] = e[1];
+                if (nodeSource) {
+                    var urlSplit = nodeSource.split("?");
+                    if (urlSplit.length > 1) {
+                        var sp = urlSplit[1].split("&");
+                        for (var i = 0; i < sp.length; i++) {
+                            var e = sp[i].split("=");
+                            p[e[0]] = e[1];
+                        }
+                        p["rnd2"] = Umbraco.Utils.generateRandom();                    
                     }
-                    p["rnd2"] = Umbraco.Utils.generateRandom();                    
-                }
+                }                
                 return p;
             },