diff --git a/lib/plugins/config/settings/config.metadata.php b/lib/plugins/config/settings/config.metadata.php
index 226ae8b585495079fc0c19f30f27f05c9aff5b27..bf987fe2df5012bc2862d4b83ad79d50a7590e37 100644
--- a/lib/plugins/config/settings/config.metadata.php
+++ b/lib/plugins/config/settings/config.metadata.php
@@ -112,7 +112,7 @@ $meta['_authentication'] = array('fieldset');
 $meta['useacl']      = array('onoff');
 $meta['autopasswd']  = array('onoff');
 $meta['authtype']    = array('authtype');
-$meta['passcrypt']   = array('multichoice','_choices' => array('smd5','md5','sha1','ssha','crypt','mysql','my411'));
+$meta['passcrypt']   = array('multichoice','_choices' => array('smd5','md5','apr1','sha1','ssha','crypt','mysql','my411'));
 $meta['defaultgroup']= array('string');
 $meta['superuser']   = array('string');
 $meta['manager']     = array('string');