Index: branches/RC/core/units/help/help_event_handler.php
===================================================================
diff -u -N -r8929 -r10098
--- branches/RC/core/units/help/help_event_handler.php	(.../help_event_handler.php)	(revision 8929)
+++ branches/RC/core/units/help/help_event_handler.php	(.../help_event_handler.php)	(revision 10098)
@@ -15,7 +15,7 @@
 			$module = $this->Application->GetVar('h_module');
 			$title_preset = $this->Application->GetVar('h_title_preset');
 
-			$sql = 'SELECT Path FROM '.TABLE_PREFIX.'Modules WHERE LOWER(Name)='.$this->Conn->qstr( strtolower($module) );
+			$sql = 'SELECT Path FROM '.TABLE_PREFIX.'Modules WHERE LOWER(Name)='.$this->Conn->qstr( mb_strtolower($module) );
 			$module_path = $this->Conn->GetOne($sql);
 
 			$help_file = FULL_PATH.'/'.$module_path.'module_help/'.$title_preset.'.txt';