diff --git a/UI/Common/UIxUserRightsEditor.m b/UI/Common/UIxUserRightsEditor.m
index 0546374cd..75af44603 100644
--- a/UI/Common/UIxUserRightsEditor.m
+++ b/UI/Common/UIxUserRightsEditor.m
@@ -57,6 +57,11 @@
   [super dealloc];
 }
 
+- (void) setUid: (NSString *) _uid
+{
+  ASSIGNCOPY (self->uid, _uid);
+}
+
 - (NSString *) uid
 {
   return uid;
diff --git a/UI/Scheduler/UIxCalUserRightsEditor.m b/UI/Scheduler/UIxCalUserRightsEditor.m
index bc2a0afc7..1c7295aa0 100644
--- a/UI/Scheduler/UIxCalUserRightsEditor.m
+++ b/UI/Scheduler/UIxCalUserRightsEditor.m
@@ -124,7 +124,7 @@
 	
       if ([currentValue isEqualToString: @"None"])
 	[self removeAllRightsFromList: rightsForType];
-      else
+      else if ([rightsForType containsObject: currentValue])
 	[self appendExclusiveRight: [NSString stringWithFormat: @"%@%@",
 					      currentType, currentValue]
 	      fromList: rightsForType];
diff --git a/UI/Templates/ContactsUI/UIxContactFoldersView.wox b/UI/Templates/ContactsUI/UIxContactFoldersView.wox
index 074260f45..41fcff933 100644
--- a/UI/Templates/ContactsUI/UIxContactFoldersView.wox
+++ b/UI/Templates/ContactsUI/UIxContactFoldersView.wox
@@ -554,7 +554,7 @@
     </div>
   </script>
 
-  <!-- modal for addressbook sharing options -->
+  <!-- modal inner content for acl editor -->
   <script type="text/ng-template" id="UIxUserRightsEditor">
     <var:component className="UIxContactsUserRightsEditor" />
   </script>
diff --git a/UI/Templates/SchedulerUI/UIxCalMainView.wox b/UI/Templates/SchedulerUI/UIxCalMainView.wox
index f068a7df5..50faf239a 100644
--- a/UI/Templates/SchedulerUI/UIxCalMainView.wox
+++ b/UI/Templates/SchedulerUI/UIxCalMainView.wox
@@ -583,6 +583,11 @@
     <var:component className="UIxCalUserRightsEditor" />
   </script>
 
+  <!-- modal inner content for anonymous acl editor -->
+  <script type="text/ng-template" id="UIxAnonymousUserRightsEditor">
+    <var:component className="UIxCalUserRightsEditor" const:uid="anonymous" />
+  </script>
+
   <!-- modal for calendar import -->
   <script type="text/ng-template" id="UIxCalendarImportDialog">
     <md-dialog flex="40" flex-xs="100" label:aria-label="Import Calendar">
diff --git a/UI/Templates/UIxAclEditor.wox b/UI/Templates/UIxAclEditor.wox
index 4e0aca359..b1f07c211 100644
--- a/UI/Templates/UIxAclEditor.wox
+++ b/UI/Templates/UIxAclEditor.wox
@@ -84,7 +84,7 @@
               <var:string label:value="Subscribe User"/>
             </md-checkbox>
           </var:if>
-          <div ng-include="'UIxUserRightsEditor'">
+          <div ng-include="acl.templateName(user)">
             <!--
                 Load ng-template #UIxUserRightsEditor from main module wox. Inner wox templates are:
                 - UI/Templates/ContactsUI/UIxContactsUserRightsEditor.wox
diff --git a/UI/WebServerResources/js/Common/AclController.js b/UI/WebServerResources/js/Common/AclController.js
index bfdf7c8be..6c2bcc822 100644
--- a/UI/WebServerResources/js/Common/AclController.js
+++ b/UI/WebServerResources/js/Common/AclController.js
@@ -6,8 +6,8 @@
   /**
    * @ngInject
    */
-  AclController.$inject = ['$timeout', '$mdDialog', 'Dialog', 'usersWithACL', 'User', 'folder'];
-  function AclController($timeout, $mdDialog, Dialog, usersWithACL, User, folder) {
+  AclController.$inject = ['$document', '$timeout', '$mdDialog', 'Dialog', 'usersWithACL', 'User', 'folder'];
+  function AclController($document, $timeout, $mdDialog, Dialog, usersWithACL, User, folder) {
     var vm = this;
 
     vm.users = usersWithACL; // ACL users
@@ -16,6 +16,7 @@
     vm.selectedUid = null;
     vm.userToAdd = '';
     vm.searchText = '';
+    vm.templateName = templateName;
     vm.userFilter = userFilter;
     vm.closeModal = closeModal;
     vm.saveModal = saveModal;
@@ -28,6 +29,12 @@
     vm.confirmation = { showing: false,
                         message: ''};
 
+    function templateName(user) {
+      // Check if user is anonymous and if a specific template must be used
+      var isAnonymous = $document[0].getElementById('UIxAnonymousUserRightsEditor') && user.$isAnonymous();
+      return 'UIx' + (isAnonymous? 'Anonymous' : '') + 'UserRightsEditor';
+    }
+
     function userFilter($query) {
       return User.$filter($query, folder.$acl.users);
     }