diff --git a/src/js/events/membership.js b/src/js/events/membership.js
index 97daea3..9b554cf 100644
--- a/src/js/events/membership.js
+++ b/src/js/events/membership.js
@@ -1,10 +1,10 @@
 const {Event} = require("./event")
 
-function createMembershipEvent(membership, text) {
+function createMembershipEvent(membership, message) {
 	return class extends Event {
 		render() {
 			super.render()
-			return this.text(text(this.data))
+			return this.text(message(this.data))
 		}
 
 		static canRender(event) {
@@ -13,9 +13,20 @@ function createMembershipEvent(membership, text) {
 
 	}
 }
+class UnknownMembership extends Event {
+	render() {
+		super.render()
+		return this.text("Unsupported membership event")
+	}
+
+	static canRender(event) {
+		return event.type == "m.room.member"
+	}
+
+}
 
 const JoinedEvent = createMembershipEvent("join", () => "joined the room")
 const InvitedEvent = createMembershipEvent("invite", (e) => `invited ${e.content.displayname} the room`)
 const LeaveEvent = createMembershipEvent("leave", () => "left the room")
 
-module.exports = [JoinedEvent, InvitedEvent, LeaveEvent]
+module.exports = [JoinedEvent, InvitedEvent, LeaveEvent, UnknownMembership]