Index: branches/5.3.x/core/admin_templates/groups/groups_edit_users.tpl
===================================================================
diff -u -N -r15974 -r15986
--- branches/5.3.x/core/admin_templates/groups/groups_edit_users.tpl	(.../groups_edit_users.tpl)	(revision 15974)
+++ branches/5.3.x/core/admin_templates/groups/groups_edit_users.tpl	(.../groups_edit_users.tpl)	(revision 15986)
@@ -86,7 +86,7 @@
 	</inp2:m_if>
 </inp2:m_DefineElement>
 
-<inp2:m_RenderElement name="grid" PrefixSpecial="g-ug" IdField="PortalUserId" grid="GroupUsers"/>
+<inp2:m_RenderElement name="grid" PrefixSpecial="g-ug" IdField="Id" grid="GroupUsers"/>
 <script type="text/javascript">
 	Grids['g-ug'].SetDependantToolbarButtons( new Array('delete') );
 	Grids['g-ug'].DblClick = function() {return false};