diff --git a/css/backoffice/utils/variables/_border-radius.scss b/css/backoffice/utils/variables/_border-radius.scss
index b1462e9de..307014072 100644
--- a/css/backoffice/utils/variables/_border-radius.scss
+++ b/css/backoffice/utils/variables/_border-radius.scss
@@ -18,6 +18,7 @@
 
 $ibo-border-radius-100: 1px !default;
 $ibo-border-radius-300: 3px !default;
+$ibo-border-radius-400: 4px !default;
 $ibo-border-radius-500: 5px !default;
 $ibo-border-radius-700: 10px !default;
 $ibo-border-radius-900: 16px !default;