diff --git a/lib/plugins/core/TranslatablePluginTrait.php b/lib/plugins/core/TranslatablePluginTrait.php
index 13e09036392f93885b3b453cbba950b15293dcb5..15bed9329720deffda0cb17e8bae00eef7ee40de 100644
--- a/lib/plugins/core/TranslatablePluginTrait.php
+++ b/lib/plugins/core/TranslatablePluginTrait.php
@@ -19,6 +19,7 @@ trait TranslatablePluginTrait
     {
         bindtextdomain($domain, $this->getPluginPath() . '/locale');
         bind_textdomain_codeset($domain, 'UTF-8');
+        $this->translation_domain = $domain;
     }
 
     /**