diff --git a/module/doc/control.php b/module/doc/control.php
index 6bd0003bc4..ce43fa4c9e 100755
--- a/module/doc/control.php
+++ b/module/doc/control.php
@@ -2015,6 +2015,7 @@ class doc extends control
         }
         else
         {
+            $parentID   = (int)$doc->parent;
             $moduleID   = (int)$doc->module;
             $libID      = (int)$doc->lib;
             $lib        = $this->doc->getLibByID($libID);
diff --git a/module/doc/ui/setdocbasic.html.php b/module/doc/ui/setdocbasic.html.php
index d6aa2e61a1..fb1e7af002 100644
--- a/module/doc/ui/setdocbasic.html.php
+++ b/module/doc/ui/setdocbasic.html.php
@@ -90,7 +90,7 @@ formPanel
         (
             set::name('parent'),
             set::items($modalType != 'chapter' ? array(0 => '/') + $chapterAndDocs : $chapterAndDocs),
-            set::value(!empty($doc->parent) ? $doc->parent : ($moduleID ? "m_$moduleID" : "m_{$doc->module}")),
+            set::value($parentID ? $parentID : ($moduleID ? "m_$moduleID" : 0)),
             set::required(true)
         ),
     ) : null,