diff --git a/spec/unit/models/poll.spec.ts b/spec/unit/models/poll.spec.ts
index 245d5646501..d0261a3f342 100644
--- a/spec/unit/models/poll.spec.ts
+++ b/spec/unit/models/poll.spec.ts
@@ -76,6 +76,7 @@ describe("Poll", () => {
         expect(poll.pollId).toEqual(basePollStartEvent.getId());
         expect(poll.pollEvent).toEqual(basePollStartEvent.unstableExtensibleEvent);
         expect(poll.isEnded).toBe(false);
+        expect(poll.endEventId).toBe(undefined);
     });
 
     it("throws when poll start has no room id", () => {
@@ -208,6 +209,7 @@ describe("Poll", () => {
 
                 expect(maySendRedactionForEventSpy).toHaveBeenCalledWith(basePollStartEvent, "@bob@server.org");
                 expect(poll.isEnded).toBe(true);
+                expect(poll.endEventId).toBe(stablePollEndEvent.getId()!);
                 expect(poll.emit).toHaveBeenCalledWith(PollEvent.End);
             });
 
diff --git a/src/models/poll.ts b/src/models/poll.ts
index 8a080ef9015..89f18165377 100644
--- a/src/models/poll.ts
+++ b/src/models/poll.ts
@@ -80,6 +80,10 @@ export class Poll extends TypedEventEmitter<Exclude<PollEvent, PollEvent.New>, P
         return this.rootEvent.getId()!;
     }
 
+    public get endEventId(): string | undefined {
+        return this.endEvent?.getId();
+    }
+
     public get isEnded(): boolean {
         return !!this.endEvent;
     }