Index: branches/5.2.x/core/units/admin/admin_events_handler.php
===================================================================
--- branches/5.2.x/core/units/admin/admin_events_handler.php
+++ branches/5.2.x/core/units/admin/admin_events_handler.php
@@ -961,7 +961,7 @@
 			return;
 		}
 
-		$this->Application->SetConfigValue('MenuFrameWidth', (int)$this->Application->GetVar('width'));
+		$this->Application->StorePersistentVar('MenuFrameWidth', (int)$this->Application->GetVar('width'));
 	}
 
 	/**
Index: branches/5.2.x/core/units/admin/admin_tag_processor.php
===================================================================
--- branches/5.2.x/core/units/admin/admin_tag_processor.php
+++ branches/5.2.x/core/units/admin/admin_tag_processor.php
@@ -795,7 +795,11 @@
 		 */
 		function MenuFrameWidth($params)
 		{
-			$width = (int)$this->Application->ConfigValue('MenuFrameWidth');
+			$width = (int)$this->Application->RecallPersistentVar('MenuFrameWidth');
+
+			if ( $width <= 0 ) {
+				$width = (int)$this->Application->ConfigValue('MenuFrameWidth');
+			}
 
 			return $width > 0 ? $width : 200;
 		}