diff --git a/templates/postfixadmin.local.php b/templates/postfixadmin.local.php
index 63decb5..9693fc3 100644
--- a/templates/postfixadmin.local.php
+++ b/templates/postfixadmin.local.php
@@ -17,7 +17,7 @@ $CONF['domain_in_mailbox'] = 'NO';
 
 $CONF['encrypt'] = 'dovecot:SHA512-CRYPT';
 
-$CONF['theme'] = 'sum7';
+$CONF['theme'] = 'bootstrap';
 $CONF['page_size'] = '10';
 
 $CONF['aliases'] = '0';