diff --git a/addons/default/visiosoft/cats-module/resources/lang/sv/message.php b/addons/default/visiosoft/cats-module/resources/lang/sv/message.php
index 0fa46d0cc..022172431 100644
--- a/addons/default/visiosoft/cats-module/resources/lang/sv/message.php
+++ b/addons/default/visiosoft/cats-module/resources/lang/sv/message.php
@@ -2,4 +2,5 @@
 
 return [
     'categories_mass_delete_success' => 'Kategorier och relaterade underkategorier har tagits bort!',
+    'cat_slug_exists' => 'En kategori med en slug :slug finns redan!',
 ];