diff --git a/src/uiSelectDirective.js b/src/uiSelectDirective.js
index 285cfb4ac..ce11eb615 100644
--- a/src/uiSelectDirective.js
+++ b/src/uiSelectDirective.js
@@ -149,6 +149,14 @@ uis.directive('uiSelect',
           }
         });
 
+        attrs.$observe('taggingEquals', function() {
+          if (attrs.tagging !== undefined) {
+            // Used for check token equality by single property with custom objects
+            var property = attrs.taggingEquals !== undefined ? attrs.taggingEquals : undefined;
+            $select.taggingEqualsProperty = property;
+          }
+        });
+
         attrs.$observe('spinnerEnabled', function() {
           // $eval() is needed otherwise we get a string instead of a boolean
           var spinnerEnabled = scope.$eval(attrs.spinnerEnabled);
@@ -378,7 +386,7 @@ uis.directive('uiSelect',
         };
 
         var opened = false;
-        
+
         scope.calculateDropdownPos = function() {
           if ($select.open) {
             dropdown = angular.element(element).querySelectorAll('.ui-select-dropdown');
diff --git a/src/uiSelectMultipleDirective.js b/src/uiSelectMultipleDirective.js
index 1d0243724..f121b3caa 100644
--- a/src/uiSelectMultipleDirective.js
+++ b/src/uiSelectMultipleDirective.js
@@ -178,7 +178,7 @@ uis.directive('uiSelectMultiple', ['uiSelectMinErr','$timeout', function(uiSelec
           return;
         }
         $select.selected.push(item);
-        var locals = {};        
+        var locals = {};
         locals[$select.parserResult.itemName] = item;
 
         $timeout(function(){
@@ -261,11 +261,11 @@ uis.directive('uiSelectMultiple', ['uiSelectMinErr','$timeout', function(uiSelec
                 } else {
                   return curr;
                 }
-                
+
               } else {
                 // If nothing yet selected, select last item
-                return last;  
-              }              
+                return last;
+              }
               break;
             case KEY.DELETE:
               // Remove selected item and select next item
@@ -329,10 +329,18 @@ uis.directive('uiSelectMultiple', ['uiSelectMinErr','$timeout', function(uiSelec
             // verify the new tag doesn't match the value of a possible selection choice or an already selected item.
             if (
               stashArr.some(function (origItem) {
-                 return angular.equals(origItem, newItem);
+                if($select.taggingEqualsProperty){
+                  return angular.equals(origItem[$select.taggingEqualsProperty], newItem[$select.taggingEqualsProperty]);
+                } else {
+                  return angular.equals(origItem, newItem);
+                }
               }) ||
               $select.selected.some(function (origItem) {
-                return angular.equals(origItem, newItem);
+                if($select.taggingEqualsProperty){
+                  return angular.equals(origItem[$select.taggingEqualsProperty], newItem[$select.taggingEqualsProperty]);
+                } else {
+                  return angular.equals(origItem, newItem);
+                }
               })
             ) {
               scope.$evalAsync(function () {