diff --git a/src/Umbraco.Web.UI.Client/src/common/directives/validation/valpropertyvalidator.directive.js b/src/Umbraco.Web.UI.Client/src/common/directives/validation/valpropertyvalidator.directive.js
index 1d04fd9b34..77652d7f69 100644
--- a/src/Umbraco.Web.UI.Client/src/common/directives/validation/valpropertyvalidator.directive.js
+++ b/src/Umbraco.Web.UI.Client/src/common/directives/validation/valpropertyvalidator.directive.js
@@ -20,15 +20,15 @@ function valPropertyValidator(serverValidationManager) {
         },
 
         // The element must have ng-model attribute and be inside an umbProperty directive
-        require: ['ngModel', '^umbProperty'],
+        require: ['ngModel', '?^umbProperty'],
 
         restrict: "A",
 
         link: function (scope, element, attrs, ctrls) {
 
             var modelCtrl = ctrls[0];
-            var propCtrl = ctrls[1];
-
+            var propCtrl = ctrls.length > 1 ? ctrls[1] : null;
+            
             // Check whether the scope has a valPropertyValidator method 
             if (!scope.valPropertyValidator || !angular.isFunction(scope.valPropertyValidator)) {
                 throw new Error('val-property-validator directive must specify a function to call');
@@ -46,12 +46,16 @@ function valPropertyValidator(serverValidationManager) {
                 if (result.isValid === true) {
                     // Tell the controller that the value is valid
                     modelCtrl.$setValidity(result.errorKey, true);
-                    propCtrl.setPropertyError(null);
+                    if (propCtrl) {
+                        propCtrl.setPropertyError(null);
+                    }                    
                 }
                 else {
                     // Tell the controller that the value is invalid
-                    modelCtrl.$setValidity(result.errorKey, false); 
-                    propCtrl.setPropertyError(result.errorMsg);
+                    modelCtrl.$setValidity(result.errorKey, false);
+                    if (propCtrl) {
+                        propCtrl.setPropertyError(result.errorMsg);
+                    }
                 }
             };
 
diff --git a/src/Umbraco.Web.UI.Client/src/common/directives/validation/valserver.directive.js b/src/Umbraco.Web.UI.Client/src/common/directives/validation/valserver.directive.js
index 9d944aabcc..c1bcc4fd38 100644
--- a/src/Umbraco.Web.UI.Client/src/common/directives/validation/valserver.directive.js
+++ b/src/Umbraco.Web.UI.Client/src/common/directives/validation/valserver.directive.js
@@ -7,12 +7,16 @@
     **/
 function valServer(serverValidationManager) {
     return {
-        require: ['ngModel', '^umbProperty'],
+        require: ['ngModel', '?^umbProperty'],
         restrict: "A",
         link: function (scope, element, attr, ctrls) {
 
             var modelCtrl = ctrls[0];
-            var umbPropCtrl = ctrls[1];
+            var umbPropCtrl = ctrls.length > 1 ? ctrls[1] : null;
+            if (!umbPropCtrl) {
+                //we cannot proceed, this validator will be disabled
+                return;
+            }
 
             var watcher = null;