diff --git a/application/ui.linkswidget.class.inc.php b/application/ui.linkswidget.class.inc.php
index 2555e7663..74484719f 100644
--- a/application/ui.linkswidget.class.inc.php
+++ b/application/ui.linkswidget.class.inc.php
@@ -108,6 +108,7 @@ class UILinksWidget
 			$sNameSuffix = "]"; // To make a tabular form
 			$aArgs['prefix'] = $sPrefix;
 			$aRow['form::checkbox'] = "<input class=\"selection\" type=\"checkbox\" onChange=\"oWidget".self::$iWidgetIndex.".OnSelectChange();\" value=\"$key\">";
+			$aRow['form::checkbox'] .= "<input type=\"hidden\" name=\"attr_{$sPrefix}id{$sNameSuffix}\" value=\"$key\">";
 			foreach($this->m_aEditableFields as $sFieldCode)
 			{
 				$oAttDef = MetaModel::GetAttributeDef($this->m_sLinkedClass, $sFieldCode);