diff --git a/app/views/exercises/implement.html.slim b/app/views/exercises/implement.html.slim
index fd7d3fcb..7aa79e62 100644
--- a/app/views/exercises/implement.html.slim
+++ b/app/views/exercises/implement.html.slim
@@ -79,7 +79,7 @@
     - if session[:lti_parameters].try(:has_key?, 'lis_outcome_service_url')
       p.text-center = render('editor_button', classes: 'btn-lg btn-success', data: {:'data-url' => submit_exercise_path(@exercise)}, icon: 'fa fa-send', id: 'submit', label: t('exercises.editor.submit'))
     - else
-      p.text-center = render('editor_button', classes: 'btn-lg btn-warning-outline', data: {:'data-placement' => 'bottom', :'data-tooltip' => true} , icon: 'fa fa-clock-o', id: 'submit_outdated', label: t('exercises.editor.exercise_deadline_passed'), title: t('exercises.editor.tooltips.exercise_deadline_passed'))
+      p.text-center = render('editor_button', classes: 'btn-lg btn-warning-outline', data: {:'data-placement' => 'bottom', :'data-tooltip' => true}, icon: 'fa fa-clock-o', id: 'submit_outdated', label: t('exercises.editor.exercise_deadline_passed'), title: t('exercises.editor.tooltips.exercise_deadline_passed'))
 
   - if qa_url
   #questions-column