diff --git a/packages/styles/scss/components/ui-shell/header/_header.scss b/packages/styles/scss/components/ui-shell/header/_header.scss
index a0adedba9f8c..0c4c95b8759f 100644
--- a/packages/styles/scss/components/ui-shell/header/_header.scss
+++ b/packages/styles/scss/components/ui-shell/header/_header.scss
@@ -39,7 +39,7 @@
     display: inline-flex;
     width: mini-units(6);
     height: mini-units(6);
-    border: rem(2px) solid transparent;
+    border: rem(1px) solid transparent;
     transition: background-color $duration-fast-02,
       border-color $duration-fast-02;
   }