diff --git a/src/UIShell/HeaderAction.svelte b/src/UIShell/HeaderAction.svelte
index 1d47a1e2df..c614d534c9 100644
--- a/src/UIShell/HeaderAction.svelte
+++ b/src/UIShell/HeaderAction.svelte
@@ -96,6 +96,7 @@
     bind:this="{refPanel}"
     class:bx--header-panel="{true}"
     class:bx--header-panel--expanded="{true}"
+    style:overflow-y="auto"
     transition:slide|local="{{
       ...transition,
       duration: transition === false ? 0 : transition.duration,