diff --git a/src/d2m/actions/create-room.js b/src/d2m/actions/create-room.js
index 7f110ad..a6230b2 100644
--- a/src/d2m/actions/create-room.js
+++ b/src/d2m/actions/create-room.js
@@ -163,6 +163,7 @@ async function channelToKState(channel, guild, di) {
 			events_default: everyoneCanSend ? 0 : READ_ONLY_ROOM_EVENTS_DEFAULT_POWER,
 			events: {
 				"m.reaction": 0,
+				"org.matrix.msc3381.poll.response": 0,
 				"m.room.redaction": 0, // only affects redactions of own events, required to be able to un-react
 				...pollStartPowerLevel
 			},
diff --git a/src/d2m/actions/create-room.test.js b/src/d2m/actions/create-room.test.js
index c9e098b..fec5c55 100644
--- a/src/d2m/actions/create-room.test.js
+++ b/src/d2m/actions/create-room.test.js
@@ -147,6 +147,7 @@ test("channel2room: read-only discord channel", async t => {
 			events_default: 50, // <-- it should be read-only!
 			events: {
 				"m.reaction": 0,
+				"org.matrix.msc3381.poll.response": 0,
 				"m.room.redaction": 0
 			},
 			notifications: {
diff --git a/test/data.js b/test/data.js
index 8b6e052..60e9bd8 100644
--- a/test/data.js
+++ b/test/data.js
@@ -144,6 +144,7 @@ module.exports = {
 				events_default: 0,
 				events: {
 					"m.reaction": 0,
+					"org.matrix.msc3381.poll.response": 0,
 					"m.room.redaction": 0
 				},
 				users: {