Index: typo3/classes/class.modulemenu.php
===================================================================
--- typo3/classes/class.modulemenu.php	(revision 23358)
+++ typo3/classes/class.modulemenu.php	(working copy)
@@ -443,9 +443,8 @@
 							$submoduleNavigationFrameScript = $subModuleData['navigationFrameScript'] ? $subModuleData['navigationFrameScript'] : $subModuleData['parentNavigationFrameScript'];
 							$submoduleNavigationFrameScript = t3lib_div::resolveBackPath($submoduleNavigationFrameScript);
 
-								// add GET parameters for sub module to the navigation script
-							$submoduleNavigationFrameScript = $this->appendQuestionmarkToLink($submoduleNavigationFrameScript).$subModuleData['navigationFrameScript'];
 							$navFrameScripts[$parentModuleName] = $submoduleNavigationFrameScript;
+
 							$javascriptCommand = '
 				top.currentSubScript = "'.$subModuleData['originalLink'].'";
 				if (top.content.list_frame && top.fsMod.currentMainLoaded == mainModName) {