diff --git a/lib/actions/documentaction.inc.php b/lib/actions/documentaction.inc.php
index 860d1ec..6524d8f 100644
--- a/lib/actions/documentaction.inc.php
+++ b/lib/actions/documentaction.inc.php
@@ -71,10 +71,14 @@ class KTDocumentAction extends KTStandardDispatcher {
 
     function getURL() {
         $oKTConfig =& KTConfig::getSingleton();
+        $sExt = ".php";
+        if (KTUtil::arrayGet($_SERVER, 'kt_no_extensions')) {
+            $sExt = "";
+        }
         if ($oKTConfig->get("KnowledgeTree/pathInfoSupport")) {
-            return sprintf("%s/action.php/%s?fDocumentId=%d", $GLOBALS['KTRootUrl'], $this->sName, $this->oDocument->getID());
+            return sprintf("%s/action%s/%s?fDocumentId=%d", $GLOBALS['KTRootUrl'], $sExt, $this->sName, $this->oDocument->getID());
         } else {
-            return sprintf("%s/action.php/?kt_path_info=%s&fDocumentId=%d", $GLOBALS['KTRootUrl'], $this->sName, $this->oDocument->getID());
+            return sprintf("%s/action%s/?kt_path_info=%s&fDocumentId=%d", $GLOBALS['KTRootUrl'], $sExt, $this->sName, $this->oDocument->getID());
         }
     }