diff --git a/package.json b/package.json
index 9f42385..230e080 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "classnames": "^2.3.1",
     "color-hash": "^2.0.1",
     "events": "^3.3.0",
-    "matrix-js-sdk": "github:matrix-org/matrix-js-sdk#da5bc358f40e1e9de39d28aea072a9c38e356bda",
+    "matrix-js-sdk": "github:matrix-org/matrix-js-sdk#98d119d6e1d39f1c5b01b36e7fda133e9f12f50c",
     "matrix-widget-api": "^1.0.0",
     "mermaid": "^8.13.8",
     "normalize.css": "^8.0.1",
diff --git a/src/room/useLoadGroupCall.ts b/src/room/useLoadGroupCall.ts
index 4c7af1d..37fcf5e 100644
--- a/src/room/useLoadGroupCall.ts
+++ b/src/room/useLoadGroupCall.ts
@@ -45,39 +45,15 @@ export const useLoadGroupCall = (
   useEffect(() => {
     setState({ loading: true });
 
-    const waitForRoom = async (roomId: string): Promise<Room> => {
-      const room = client.getRoom(roomId);
-      if (room) return room;
-      console.log(`Room ${roomId} hasn't arrived yet: waiting`);
-
-      const waitPromise = new Promise<Room>((resolve) => {
-        const onRoomEvent = async (room: Room) => {
-          if (room.roomId === roomId) {
-            client.removeListener(GroupCallEventHandlerEvent.Room, onRoomEvent);
-            resolve(room);
-          }
-        };
-        client.on(GroupCallEventHandlerEvent.Room, onRoomEvent);
-      });
-
-      // race the promise with a timeout so we don't
-      // wait forever for the room
-      const timeoutPromise = new Promise<Room>((_, reject) => {
-        setTimeout(() => {
-          reject(new Error("Timed out trying to join room"));
-        }, 30000);
-      });
-
-      return Promise.race([waitPromise, timeoutPromise]);
-    };
-
     const fetchOrCreateRoom = async (): Promise<Room> => {
       try {
         const room = await client.joinRoom(roomIdOrAlias, { viaServers });
-        logger.info(`Joined ${roomIdOrAlias}, waiting for Room event`);
-        // wait for the room to come down the sync stream, otherwise
-        // client.getRoom() won't return the room.
-        return waitForRoom(room.roomId);
+        logger.info(
+          `Joined ${roomIdOrAlias}, waiting room to be ready for group calls`
+        );
+        await client.waitUntilRoomReadyForGroupCalls(room.roomId);
+        logger.info(`${roomIdOrAlias}, is ready for group calls`);
+        return room;
       } catch (error) {
         if (
           isLocalRoomId(roomIdOrAlias) &&
@@ -92,7 +68,8 @@ export const useLoadGroupCall = (
             createPtt
           );
           // likewise, wait for the room
-          return await waitForRoom(roomId);
+          await client.waitUntilRoomReadyForGroupCalls(roomId);
+          return client.getRoom(roomId);
         } else {
           throw error;
         }
diff --git a/yarn.lock b/yarn.lock
index 7dda879..b654f81 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8390,9 +8390,9 @@ matrix-events-sdk@^0.0.1-beta.7:
   resolved "https://registry.yarnpkg.com/matrix-events-sdk/-/matrix-events-sdk-0.0.1-beta.7.tgz#5ffe45eba1f67cc8d7c2377736c728b322524934"
   integrity sha512-9jl4wtWanUFSy2sr2lCjErN/oC8KTAtaeaozJtrgot1JiQcEI4Rda9OLgQ7nLKaqb4Z/QUx/fR3XpDzm5Jy1JA==
 
-"matrix-js-sdk@github:matrix-org/matrix-js-sdk#da5bc358f40e1e9de39d28aea072a9c38e356bda":
+"matrix-js-sdk@github:matrix-org/matrix-js-sdk#98d119d6e1d39f1c5b01b36e7fda133e9f12f50c":
   version "19.3.0"
-  resolved "https://codeload.github.com/matrix-org/matrix-js-sdk/tar.gz/da5bc358f40e1e9de39d28aea072a9c38e356bda"
+  resolved "https://codeload.github.com/matrix-org/matrix-js-sdk/tar.gz/98d119d6e1d39f1c5b01b36e7fda133e9f12f50c"
   dependencies:
     "@babel/runtime" "^7.12.5"
     "@types/sdp-transform" "^2.4.5"