diff --git a/src/runtime/blockdom/events.ts b/src/runtime/blockdom/events.ts
index f4bdfe60..f2b3b474 100644
--- a/src/runtime/blockdom/events.ts
+++ b/src/runtime/blockdom/events.ts
@@ -27,8 +27,8 @@ function createElementHandler(evName: string, capture: boolean = false): EventHa
   }
 
   function listener(ev: Event) {
-    const currentTarget = ev.currentTarget;
-    if (!currentTarget || !document.contains(currentTarget as HTMLElement)) return;
+    const currentTarget = ev.currentTarget as HTMLElement;
+    if (!currentTarget || !currentTarget.ownerDocument.contains(currentTarget)) return;
     const data = (currentTarget as any)[eventKey];
     if (!data) return;
     config.mainEventHandler(data, ev, currentTarget);
diff --git a/tests/components/__snapshots__/event_handling.test.ts.snap b/tests/components/__snapshots__/event_handling.test.ts.snap
index 579a1a49..d111aadc 100644
--- a/tests/components/__snapshots__/event_handling.test.ts.snap
+++ b/tests/components/__snapshots__/event_handling.test.ts.snap
@@ -58,6 +58,20 @@ exports[`event handling handler receive the event as argument 2`] = `
 }"
 `;
 
+exports[`event handling handler works when app is mounted in an iframe 1`] = `
+"function anonymous(app, bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, comment } = bdom;
+  
+  let block1 = createBlock(\`<span block-handler-0=\\"click\\">click me</span>\`);
+  
+  return function template(ctx, node, key = \\"\\") {
+    let hdlr1 = [ctx['inc'], ctx];
+    return block1([hdlr1]);
+  }
+}"
+`;
+
 exports[`event handling input blur event is not called if component is destroyed 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
diff --git a/tests/components/event_handling.test.ts b/tests/components/event_handling.test.ts
index 1e18e47d..a15ceadc 100644
--- a/tests/components/event_handling.test.ts
+++ b/tests/components/event_handling.test.ts
@@ -171,4 +171,22 @@ describe("event handling", () => {
     // input is removed when component is destroyed => nothing should happen
     expect([]).toBeLogged();
   });
+
+  test("handler works when app is mounted in an iframe", async () => {
+    let clickCount = 0;
+
+    class Parent extends Component {
+      static template = xml`<span t-on-click="inc">click me</span>`;
+      inc() {
+        clickCount++;
+      }
+    }
+    const iframe = document.createElement("iframe");
+    fixture.appendChild(iframe);
+    const iframeDoc = iframe.contentDocument!;
+    await mount(Parent, iframeDoc.body);
+    expect(clickCount).toBe(0);
+    iframeDoc.querySelector("span")!.click();
+    expect(clickCount).toBe(1);
+  });
 });