diff --git a/src/matrixrtc/CallMembership.ts b/src/matrixrtc/CallMembership.ts
index 495ce1c494..6c7efc029d 100644
--- a/src/matrixrtc/CallMembership.ts
+++ b/src/matrixrtc/CallMembership.ts
@@ -128,6 +128,10 @@ export class CallMembership {
         return this.parentEvent.getSender();
     }
 
+    public get eventId(): string | undefined {
+        return this.parentEvent.getId();
+    }
+
     public get callId(): string {
         return this.membershipData.call_id;
     }