Index: branches/RC/core/install.php
===================================================================
diff -u -r11199 -r11212
--- branches/RC/core/install.php	(.../install.php)	(revision 11199)
+++ branches/RC/core/install.php	(.../install.php)	(revision 11212)
@@ -155,7 +155,7 @@
 			if (!$this->toolkit->getSystemConfig('Misc', 'WriteablePath')) {
 				// set global writable folder when such setting is missing
 				$this->toolkit->setSystemConfig('Misc', 'WriteablePath', '/system');
-				$this->toolkit->SaveConfig(); // immediately save, because this path will be used in Application later
+				$this->toolkit->SaveConfig(true); // immediately save, because this path will be used in Application later
 			}
 
 			$this->currentStep = $this->GetVar('step');