diff --git a/inc/parser/parser.php b/inc/parser/parser.php
index d5e8f455280cf7d12afeca1c8a5130e67786b998..0e921030b7bd9e918e10448910989e7f6d1de54c 100644
--- a/inc/parser/parser.php
+++ b/inc/parser/parser.php
@@ -832,7 +832,7 @@ class Doku_Parser_Mode_rss extends Doku_Parser_Mode {
 
 //-------------------------------------------------------------------
 class Doku_Parser_Mode_externallink extends Doku_Parser_Mode {
-    var $schemes = array('http','https','telnet','gopher','wais','ftp','ed2k','irc');
+    var $schemes = array('http','https','telnet','gopher','wais','ftp','ed2k','irc','ldap');
     var $patterns = array();
 
     function preConnect() {