diff --git a/bower.json b/bower.json
index 51760dbeda..5a3ad43ed9 100644
--- a/bower.json
+++ b/bower.json
@@ -25,6 +25,7 @@
     "angular-bootstrap": "~0.5.0",
     "angular-ui-router": "ca3b4777a603df8f86cfd653c8f6c38b2ae05d89",
     "angular-loading-bar": "~0.0.5",
+    "angular-bindonce": "~0.2.1",
     "bootstrap": "v2.3.2",
     "bootstrap-datepicker": "~1.2.0",
     "bootstrap-tour": "0.5.0",
@@ -38,7 +39,8 @@
   },
   "resolutions": {
     "jquery": "~2.0.3",
-    "bootstrap": "v2.3.2"
+    "bootstrap": "v2.3.2",
+    "angular": "~1.2.1"
   },
   "devDependencies": {
     "angular-mocks": "~1.2.1"
diff --git a/public/js/app.js b/public/js/app.js
index 1b4d1d5d18..59ae20a32c 100644
--- a/public/js/app.js
+++ b/public/js/app.js
@@ -9,7 +9,7 @@ window.env.t = function(string){
 window.habitrpg = angular.module('habitrpg',
     ['ngResource', 'ngSanitize', 'userServices', 'groupServices', 'memberServices', 'challengeServices',
      'sharedServices', 'authServices', 'notificationServices', 'guideServices',
-     'ui.bootstrap', 'ui.keypress', 'ui.router', 'chieffancypants.loadingBar', 'At'])
+     'ui.bootstrap', 'ui.keypress', 'ui.router', 'chieffancypants.loadingBar', 'At', 'pasvaz.bindonce'])
 
   // @see https://github.com/angular-ui/ui-router/issues/110 and https://github.com/HabitRPG/habitrpg/issues/1705
   // temporary hack until they have a better solution
diff --git a/public/manifest.json b/public/manifest.json
index 4cd6bdf6cd..de6a0bef8b 100644
--- a/public/manifest.json
+++ b/public/manifest.json
@@ -15,6 +15,7 @@
             "bower_components/angular-loading-bar/build/loading-bar.js",
             "bower_components/Angular-At-Directive/src/at.js",
             "bower_components/Angular-At-Directive/src/caret.js",
+            "bower_components/angular-bindonce/bindonce.js",
 
             "bower_components/bootstrap/docs/assets/js/bootstrap.js",
             "bower_components/angular-bootstrap/ui-bootstrap.js",
diff --git a/views/options/social/chat-message.jade b/views/options/social/chat-message.jade
index 65f747df51..24d16810b7 100644
--- a/views/options/social/chat-message.jade
+++ b/views/options/social/chat-message.jade
@@ -1,10 +1,10 @@
-li(ng-repeat='message in group.chat', ng-class='{highlight: isUserMentioned(user,message), "own-message": user._id == message.uuid}')
-  a.label.chat-message(class='label-contributor-{{message.contributor.level}}', ng-class='{"label-npc": message.backer.npc}', ng-click='clickMember(message.uuid, true)')
+li(bindonce='group.chat', ng-repeat='message in group.chat', bo-class='{highlight: isUserMentioned(user,message), "own-message": user._id == message.uuid}')
+  a.label.chat-message(class='label-contributor-{{message.contributor.level}}', bo-class='{"label-npc": message.backer.npc}', ng-click='clickMember(message.uuid, true)')
     span(tooltip='{{contribText(message.contributor, message.backer)}}') {{message.user}} 
   |  
   markdown(ng-model='message.text')
   |  - 
   span.muted.time(from-now='message.timestamp')
-  a(ng-show='user.contributor.admin || message.uuid == user.id', ng-click='deleteChatMessage(group, message)')
+  a(bo-show='user.contributor.admin || message.uuid == user.id', ng-click='deleteChatMessage(group, message)')
     | 
     i.icon-remove(tooltip='Delete')