Index: branches/RC/core/kernel/parser/template.php
===================================================================
diff -u -N -r9286 -r10098
--- branches/RC/core/kernel/parser/template.php	(.../template.php)	(revision 9286)
+++ branches/RC/core/kernel/parser/template.php	(.../template.php)	(revision 10098)
@@ -115,7 +115,7 @@
 		// !preg_match for backward compatability with full-path plugins
 		if ($this->Application->IsAdmin() && $first_dir == 'plugins' && !preg_match('/admin_templates/', $module_filename)) {
 			if (preg_match('#^[\/]{0,1}([^\/]*)\/(.*)#', $module_filename, $regs)) {;
-				$path = MODULES_PATH.'/'.strtolower($first_dir).'/'.$regs[1].'/admin_templates';
+				$path = MODULES_PATH.'/'.mb_strtolower($first_dir).'/'.$regs[1].'/admin_templates';
 				$module_filename = $regs[2];
 			}
 			else {
@@ -127,7 +127,7 @@
 			if ($first_dir == 'in-portal') {
 				$first_dir = 'kernel';
 			}
-			$path = MODULES_PATH.'/'.strtolower($first_dir).'/admin_templates';
+			$path = MODULES_PATH.'/'.mb_strtolower($first_dir).'/admin_templates';
 		}
 		else {
 			$path = $this->BasePath;