diff --git a/plinth/templates/app.html b/plinth/templates/app.html
index 122c4a214..ed74baf62 100644
--- a/plinth/templates/app.html
+++ b/plinth/templates/app.html
@@ -27,7 +27,7 @@
       <div id='service-not-running' role="alert"
            class="alert alert-danger d-flex align-items-center {{ is_enabled|yesno:',d-none' }}">
         <div class="me-2">
-          <span class="fa fa-exclamation-triangle" aria-hidden="true"></span>
+          {% icon 'exclamation-triangle' %}
           <span class="visually-hidden">{% trans "Caution:" %}</span>
         </div>
         <div>