diff --git a/addons/mail/static/src/scss/systray.scss b/addons/mail/static/src/scss/systray.scss
index cd732688526..2614f0da170 100644
--- a/addons/mail/static/src/scss/systray.scss
+++ b/addons/mail/static/src/scss/systray.scss
@@ -20,8 +20,9 @@
         flex-flow: column nowrap;
     }
     .o_notification_counter {
+        margin-top: -0.8rem;
         margin-right: 0;
-        margin-left: -0.4rem;
+        margin-left: -0.6rem;
         background: $o-brand-primary;
         color: white;
         vertical-align: super;