diff --git a/src/opnsense/mvc/app/controllers/OPNsense/Base/ControllerRoot.php b/src/opnsense/mvc/app/controllers/OPNsense/Base/ControllerRoot.php
index 59e4103a0..33bdbfb94 100644
--- a/src/opnsense/mvc/app/controllers/OPNsense/Base/ControllerRoot.php
+++ b/src/opnsense/mvc/app/controllers/OPNsense/Base/ControllerRoot.php
@@ -99,6 +99,7 @@ class ControllerRoot extends Controller
         ));
 
         /* somehow this is not done by Phalcon */
+        bind_textdomain_codeset('OPNsense', $locale);
         putenv('LANG=' . $locale);
     }