diff --git a/alfa-client/apps/admin/src/app/app.component.html b/alfa-client/apps/admin/src/app/app.component.html
index e2784f43aab77b2df0dba0aa312274d69065df03..89232167a7c7ef4a2c6ab99159d5f300d60a0fbf 100644
--- a/alfa-client/apps/admin/src/app/app.component.html
+++ b/alfa-client/apps/admin/src/app/app.component.html
@@ -1,6 +1,6 @@
 <ng-container *ngIf="(apiRootStateResource$ | async)?.resource as apiRoot">
   <header
-    class="flex h-16 items-center justify-between bg-white px-9 py-2"
+    class="flex h-16 items-center justify-between border-b border-b-ozggray-300 bg-white px-9 py-2"
     data-test-id="admin-header"
   >
     <a