diff --git a/app/assets/javascripts/dispatcher.js b/app/assets/javascripts/dispatcher.js
index 38b41cf2a19..9389b4b4ff1 100644
--- a/app/assets/javascripts/dispatcher.js
+++ b/app/assets/javascripts/dispatcher.js
@@ -330,7 +330,7 @@ import FeatureHelper from './helpers/feature_helper';
           if (FeatureHelper.isNewRepo()) break;
 
           if ($('#tree-slider').length) new TreeView();
-          if ($('#blob-viewer').length) new BlobViewer();
+          if ($('.blob-viewer').length) new BlobViewer();
           break;
         case 'projects:edit':
           setupProjectEdit();