diff --git a/src/matrix/Session.js b/src/matrix/Session.js
index 778d2866..83a2df02 100644
--- a/src/matrix/Session.js
+++ b/src/matrix/Session.js
@@ -623,7 +623,7 @@ export class Session {
             // we should now know the roomId, check if the room was synced before we received
             // the room id. Replace the room being created with the synced room.
             if (roomBeingCreated.roomId) {
-                if (!!this.rooms.get(roomBeingCreated.roomId)) {
+                if (this.rooms.get(roomBeingCreated.roomId)) {
                     this._tryReplaceRoomBeingCreated(roomBeingCreated.roomId, log);
                 }
                 await roomBeingCreated.adjustDirectMessageMapIfNeeded(this._user, this._storage, this._hsApi, log);