diff --git a/setup/webmail.sh b/setup/webmail.sh
index 708f8dff..670500c0 100755
--- a/setup/webmail.sh
+++ b/setup/webmail.sh
@@ -156,7 +156,7 @@ EOF
 cat > ${RCM_PLUGIN_DIR}/carddav/config.inc.php <<EOF;
 <?php
 /* Do not edit. Written by Mail-in-a-Box. Regenerated on updates. */
-\$prefs['_GLOBAL']['hide_preferences'] = true;
+\$prefs['_GLOBAL']['hide_preferences'] = false;
 \$prefs['_GLOBAL']['suppress_version_warning'] = true;
 \$prefs['ownCloud'] = array(
 	 'name'         =>  'ownCloud',
@@ -165,7 +165,7 @@ cat > ${RCM_PLUGIN_DIR}/carddav/config.inc.php <<EOF;
 	 'url'          =>  'https://${PRIMARY_HOSTNAME}/cloud/remote.php/dav/addressbooks/users/%u/contacts',
 	 'active'       =>  true,
 	 'readonly'     =>  false,
-	 'refresh_time' => '02:00:00',
+	 'refresh_time' => '00:30:00',
 	 'fixed'        =>  array('username'),
 	 'preemptive_auth' => '1',
 	 'hide'        =>  false,