diff --git a/src/btn.ts b/src/btn.ts
index 373cd49..35c9ce0 100644
--- a/src/btn.ts
+++ b/src/btn.ts
@@ -98,6 +98,8 @@ export class BtnList {
     // hide buttons using the shadow DOM
     const newParent = btnParent.cloneNode(false) as HTMLDivElement
     newParent.append(...this.list)
+    const slot = document.createElement('slot')
+    newParent.append(slot)
     shadow.append(newParent)
 
     return btnParent