diff --git a/app/assets/javascripts/editor/participantsupport.js.erb b/app/assets/javascripts/editor/participantsupport.js.erb
index 07da53b7..75030e5d 100644
--- a/app/assets/javascripts/editor/participantsupport.js.erb
+++ b/app/assets/javascripts/editor/participantsupport.js.erb
@@ -6,7 +6,7 @@ CodeOceanEditorFlowr = {
         '<div class="card-title mb-0">' +
           '<a class="collapsed" data-toggle="collapse" data-parent="#flowrHint" href="#{{collapseId}}" aria-expanded="false" aria-controls="{{collapseId}}">' +
             '<div class="clearfix" role="button">' +
-              '<i class="fa" aria-hidden="true" />' +
+              '<i class="fa" aria-hidden="true"></i>' +
               '<span>' +
               '</span>' +
             '</div>' +