diff --git a/application/Espo/Core/Utils/ThemeManager.php b/application/Espo/Core/Utils/ThemeManager.php
index 48d6ea9ea5..72207a5481 100644
--- a/application/Espo/Core/Utils/ThemeManager.php
+++ b/application/Espo/Core/Utils/ThemeManager.php
@@ -35,7 +35,7 @@ class ThemeManager
 
     protected $metadata;
 
-    private $defaultName = 'Espo';
+    protected $defaultName = 'Espo';
 
     private $defaultStylesheet = 'Espo';