diff --git a/src/matrix/room/timeline/PowerLevels.js b/src/matrix/room/timeline/PowerLevels.js
index 26e5db1d..d2fb026d 100644
--- a/src/matrix/room/timeline/PowerLevels.js
+++ b/src/matrix/room/timeline/PowerLevels.js
@@ -114,39 +114,45 @@ export function tests() {
 
     return {
         "redact somebody else event with power level event": assert => {
-            const pl1 = new PowerLevels({powerLevelEvent: redactPowerLevelEvent, ownUserId: alice});
+            const pl1 = new PowerLevels({powerLevelEvent: redactPowerLevelEvent, ownUserId: alice, membership: "join"});
             assert.equal(pl1.canRedact, true);
-            const pl2 = new PowerLevels({powerLevelEvent: redactPowerLevelEvent, ownUserId: bob});
+            const pl2 = new PowerLevels({powerLevelEvent: redactPowerLevelEvent, ownUserId: bob, membership: "join"});
             assert.equal(pl2.canRedact, false);
         },
         "redact somebody else event with create event": assert => {
-            const pl1 = new PowerLevels({createEvent, ownUserId: alice});
+            const pl1 = new PowerLevels({createEvent, ownUserId: alice, membership: "join"});
             assert.equal(pl1.canRedact, true);
-            const pl2 = new PowerLevels({createEvent, ownUserId: bob});
+            const pl2 = new PowerLevels({createEvent, ownUserId: bob, membership: "join"});
             assert.equal(pl2.canRedact, false);
         },
         "redact own event": assert => {
-            const pl = new PowerLevels({ownUserId: alice});
+            const pl = new PowerLevels({ownUserId: alice, membership: "join"});
             assert.equal(pl.canRedactFromSender(alice), true);
             assert.equal(pl.canRedactFromSender(bob), false);
         },
         "can send event without power levels": assert => {
-            const pl = new PowerLevels({createEvent, ownUserId: charly});
+            const pl = new PowerLevels({createEvent, ownUserId: charly, membership: "join"});
             assert.equal(pl.canSendType("m.room.message"), true);
         },
         "can't send any event below events_default": assert => {
-            const pl = new PowerLevels({powerLevelEvent: eventsPowerLevelEvent, ownUserId: charly});
+            const pl = new PowerLevels({powerLevelEvent: eventsPowerLevelEvent, ownUserId: charly, membership: "join"});
             assert.equal(pl.canSendType("m.foo"), false);
         },
         "can't send event below events[type]": assert => {
-            const pl = new PowerLevels({powerLevelEvent: eventsPowerLevelEvent, ownUserId: bob});
+            const pl = new PowerLevels({powerLevelEvent: eventsPowerLevelEvent, ownUserId: bob, membership: "join"});
             assert.equal(pl.canSendType("m.foo"), true);
             assert.equal(pl.canSendType("m.room.message"), false);
         },
         "can send event above or at events[type]": assert => {
-            const pl = new PowerLevels({powerLevelEvent: eventsPowerLevelEvent, ownUserId: alice});
+            const pl = new PowerLevels({powerLevelEvent: eventsPowerLevelEvent, ownUserId: alice, membership: "join"});
             assert.equal(pl.canSendType("m.room.message"), true);
             assert.equal(pl.canSendType("m.room.topic"), true);
         },
+        "can't redact or send in non-joined room'": assert => {
+            const pl = new PowerLevels({createEvent, ownUserId: alice, membership: "leave"});
+            assert.equal(pl.canRedact, false);
+            assert.equal(pl.canRedactFromSender(alice), false);
+            assert.equal(pl.canSendType("m.room.message"), false);
+        },
     }
 }