diff --git a/frontend/app/templates/timelines/toolbar.html b/frontend/app/templates/timelines/toolbar.html
index fde2e6f546..99e5b89b6d 100644
--- a/frontend/app/templates/timelines/toolbar.html
+++ b/frontend/app/templates/timelines/toolbar.html
@@ -34,7 +34,7 @@
   <div class="tl-toolbar-container">
     <form>
       <label for="tl-toolbar-outlines" class="hidden-for-sighted">{{ I18n.t('js.tl_toolbar.outlines') }}</label>
-      <select id="tl-toolbar-outlines" name="outlines" ng-model="ctrl.currentOutlineLevel" ng-options="scale as I18n.t('js.' + ctrl.timeline.OUTLINE_CONFIGURATIONS[level].name) for level in ctrl.timeline.OUTLINE_LEVELS">
+      <select id="tl-toolbar-outlines" name="outlines" ng-model="ctrl.currentOutlineLevel" ng-options="I18n.t('js.' + ctrl.timeline.OUTLINE_CONFIGURATIONS[level].name) for level in ctrl.timeline.OUTLINE_LEVELS">
       </select>
     </form>
   </div>