diff --git a/packages/core/src/utilities/dismiss/create-dismiss.ts b/packages/core/src/utilities/dismiss/create-dismiss.ts
index 50e05b2..2f51350 100644
--- a/packages/core/src/utilities/dismiss/create-dismiss.ts
+++ b/packages/core/src/utilities/dismiss/create-dismiss.ts
@@ -44,13 +44,19 @@ export function createDismiss(options: CreateDismissOptions): Dismiss {
     options.onDismiss();
   };
 
+  let attached = false;
+
   const dismiss: Dismiss = {
     attach() {
+      if (attached) return;
+      attached = true;
       layerStack.push(dismiss);
       document.addEventListener("keydown", handleKeyDown);
       document.addEventListener("pointerdown", handlePointerDown);
     },
     detach() {
+      if (!attached) return;
+      attached = false;
       const index = layerStack.indexOf(dismiss);
       if (index !== -1) layerStack.splice(index, 1);
       document.removeEventListener("keydown", handleKeyDown);