diff --git a/src/state/CallViewModel/localMember/LocalTransport.test.ts b/src/state/CallViewModel/localMember/LocalTransport.test.ts
index 228689a7..2413c9ec 100644
--- a/src/state/CallViewModel/localMember/LocalTransport.test.ts
+++ b/src/state/CallViewModel/localMember/LocalTransport.test.ts
@@ -30,6 +30,13 @@ import * as openIDSFU from "../../../livekit/openIDSFU";
 import { customLivekitUrl } from "../../../settings/settings";
 
 describe("LocalTransport", () => {
+  const openIdResponse: openIDSFU.SFUConfig = {
+    url: "https://lk.example.org",
+    jwt: "jwt",
+    livekitAlias: "!example_room_id",
+    livekitIdentity: "@lk_user:ABCDEF",
+  };
+
   let scope: ObservableScope;
   beforeEach(() => {
     scope = new ObservableScope();
@@ -53,7 +60,7 @@ describe("LocalTransport", () => {
     const errors: Error[] = [];
     const localTransport$ = createLocalTransport$({
       scope,
-      roomId: "!room:example.org",
+      roomId: "!example_room_id",
       useOldestMember$: constant(false),
       memberships$: constant(new Epoch<CallMembership[]>([])),
       client: {
@@ -92,7 +99,7 @@ describe("LocalTransport", () => {
 
     const localTransport$ = createLocalTransport$({
       scope,
-      roomId: "!room:example.org",
+      roomId: "!example_room_id",
       useOldestMember$: constant(true),
       memberships$,
       client: {
@@ -104,12 +111,12 @@ describe("LocalTransport", () => {
       },
     });
 
-    openIdResolver.resolve?.({ url: "https://lk.example.org", jwt: "jwt" });
+    openIdResolver.resolve?.(openIdResponse);
     expect(localTransport$.value).toBe(null);
     await flushPromises();
     // final
     expect(localTransport$.value).toStrictEqual({
-      livekit_alias: "!room:example.org",
+      livekit_alias: "!example_room_id",
       livekit_service_url: "https://lk.example.org",
       type: "livekit",
     });
@@ -127,7 +134,7 @@ describe("LocalTransport", () => {
       customLivekitUrl.setValue(customLivekitUrl.defaultValue);
       localTransportOpts = {
         scope,
-        roomId: "!room:example.org",
+        roomId: "!example_room_id",
         useOldestMember$: constant(false),
         memberships$: constant(new Epoch<CallMembership[]>([])),
         client: {
@@ -153,11 +160,11 @@ describe("LocalTransport", () => {
         livekit: { livekit_service_url: "https://lk.example.org" },
       });
       const localTransport$ = createLocalTransport$(localTransportOpts);
-      openIdResolver.resolve?.({ url: "https://lk.example.org", jwt: "jwt" });
+      openIdResolver.resolve?.(openIdResponse);
       expect(localTransport$.value).toBe(null);
       await flushPromises();
       expect(localTransport$.value).toStrictEqual({
-        livekit_alias: "!room:example.org",
+        livekit_alias: "!example_room_id",
         livekit_service_url: "https://lk.example.org",
         type: "livekit",
       });
@@ -165,11 +172,11 @@ describe("LocalTransport", () => {
     it("supports getting transport via user settings", async () => {
       customLivekitUrl.setValue("https://lk.example.org");
       const localTransport$ = createLocalTransport$(localTransportOpts);
-      openIdResolver.resolve?.({ url: "https://lk.example.org", jwt: "jwt" });
+      openIdResolver.resolve?.(openIdResponse);
       expect(localTransport$.value).toBe(null);
       await flushPromises();
       expect(localTransport$.value).toStrictEqual({
-        livekit_alias: "!room:example.org",
+        livekit_alias: "!example_room_id",
         livekit_service_url: "https://lk.example.org",
         type: "livekit",
       });
@@ -179,11 +186,11 @@ describe("LocalTransport", () => {
         { type: "livekit", livekit_service_url: "https://lk.example.org" },
       ]);
       const localTransport$ = createLocalTransport$(localTransportOpts);
-      openIdResolver.resolve?.({ url: "https://lk.example.org", jwt: "jwt" });
+      openIdResolver.resolve?.(openIdResponse);
       expect(localTransport$.value).toBe(null);
       await flushPromises();
       expect(localTransport$.value).toStrictEqual({
-        livekit_alias: "!room:example.org",
+        livekit_alias: "!example_room_id",
         livekit_service_url: "https://lk.example.org",
         type: "livekit",
       });
@@ -210,11 +217,11 @@ describe("LocalTransport", () => {
         ],
       });
       const localTransport$ = createLocalTransport$(localTransportOpts);
-      openIdResolver.resolve?.({ url: "https://lk.example.org", jwt: "jwt" });
+      openIdResolver.resolve?.(openIdResponse);
       expect(localTransport$.value).toBe(null);
       await flushPromises();
       expect(localTransport$.value).toStrictEqual({
-        livekit_alias: "!room:example.org",
+        livekit_alias: "!example_room_id",
         livekit_service_url: "https://lk.example.org",
         type: "livekit",
       });
@@ -240,7 +247,7 @@ describe("LocalTransport", () => {
     it("throws if no options are available", async () => {
       const localTransport$ = createLocalTransport$({
         scope,
-        roomId: "!room:example.org",
+        roomId: "!example_room_id",
         useOldestMember$: constant(false),
         memberships$: constant(new Epoch<CallMembership[]>([])),
         client: {
diff --git a/src/state/CallViewModel/localMember/LocalTransport.ts b/src/state/CallViewModel/localMember/LocalTransport.ts
index 3cc42698..e72b076f 100644
--- a/src/state/CallViewModel/localMember/LocalTransport.ts
+++ b/src/state/CallViewModel/localMember/LocalTransport.ts
@@ -142,7 +142,6 @@ async function makeTransport(
   urlFromDevSettings: string | null,
 ): Promise<LivekitTransport> {
   logger.trace("Searching for a preferred transport");
-  const livekitAlias = roomId;
 
   // We will call `getSFUConfigWithOpenID` once per transport here as it's our
   // only mechanism of valiation. This means we will also ask the
@@ -157,11 +156,15 @@ async function makeTransport(
     logger.info("Using LiveKit transport from dev tools: ", urlFromDevSettings);
     // Validate that the SFU is up. Otherwise, we want to fail on this
     // as we don't permit other SFUs.
-    await getSFUConfigWithOpenID(client, urlFromDevSettings, livekitAlias);
+    const config = await getSFUConfigWithOpenID(
+      client,
+      urlFromDevSettings,
+      roomId,
+    );
     return {
       type: "livekit",
       livekit_service_url: urlFromDevSettings,
-      livekit_alias: livekitAlias,
+      livekit_alias: config.livekitAlias,
     };
   }
 
@@ -171,10 +174,10 @@ async function makeTransport(
     for (const potentialTransport of transports) {
       if (isLivekitTransportConfig(potentialTransport)) {
         try {
-          await getSFUConfigWithOpenID(
+          const { livekitAlias } = await getSFUConfigWithOpenID(
             client,
             potentialTransport.livekit_service_url,
-            livekitAlias,
+            roomId,
           );
           return {
             ...potentialTransport,
@@ -242,7 +245,11 @@ async function makeTransport(
   const urlFromConf = Config.get().livekit?.livekit_service_url;
   if (urlFromConf) {
     try {
-      await getSFUConfigWithOpenID(client, urlFromConf, roomId);
+      const { livekitAlias } = await getSFUConfigWithOpenID(
+        client,
+        urlFromConf,
+        roomId,
+      );
       const selectedTransport: LivekitTransport = {
         type: "livekit",
         livekit_service_url: urlFromConf,