diff --git a/plinth/templates/messages.html b/plinth/templates/messages.html
index 9fe1932ff..95ae9847f 100644
--- a/plinth/templates/messages.html
+++ b/plinth/templates/messages.html
@@ -5,7 +5,7 @@
 {% load i18n %}
 
 {% for message in messages %}
-  <div class='alert alert-{{ message.tags }} alert-dismissable'>
+  <div class='alert alert-{{ message.tags }} alert-dismissible'>
     {{ message }}
     <button type="button" class="close" data-dismiss="alert"
             aria-label="{% trans "Close" %}">