Index: class.tslib_content.php
===================================================================
--- class.tslib_content.php	(revision 1981)
+++ class.tslib_content.php	(working copy)
@@ -5440,6 +5440,12 @@
 				foreach($tCR_rootline as $tCR_data)	{
 					foreach($inverseTmplRootline as $rlKey => $invTmplRLRec)	{
 
+							// If content of the Mount Root is mounting as well (overlaymode): 
+							// Links to this page have to stay within the branch!
+						if ($invTmplRLRec['_MOUNT_OL'] && $GLOBALS['TYPO3_CONF_VARS']['FE']['enable_mount_root_overlay'] && ($tCR_data['uid'] == $invTmplRLRec['uid']))	{
+							$startMPaccu = TRUE;
+						}
+
 							// Accumulate MP data:
 						if ($startMPaccu && $invTmplRLRec['_MP_PARAM'])	{
 							$rl_mpArray[] = $invTmplRLRec['_MP_PARAM'];