diff --git a/src/room/GroupCallErrorBoundary.test.tsx b/src/room/GroupCallErrorBoundary.test.tsx
index 22338924..86921710 100644
--- a/src/room/GroupCallErrorBoundary.test.tsx
+++ b/src/room/GroupCallErrorBoundary.test.tsx
@@ -106,7 +106,7 @@ test("should render the error page with link back to home", async () => {
   await screen.findByText("Call is not supported");
   expect(screen.getByText(/Domain: example\.com/i)).toBeInTheDocument();
   expect(
-    screen.getByText(/Error Code: MISSING_MATRIX_RTC_FOCUS/i),
+    screen.getByText(/Error Code: MISSING_MATRIX_RTC_TRANSPORT/i),
   ).toBeInTheDocument();
 
   await screen.findByRole("button", { name: "Return to home screen" });
diff --git a/src/room/__snapshots__/GroupCallErrorBoundary.test.tsx.snap b/src/room/__snapshots__/GroupCallErrorBoundary.test.tsx.snap
index ad4aff61..73a6df12 100644
--- a/src/room/__snapshots__/GroupCallErrorBoundary.test.tsx.snap
+++ b/src/room/__snapshots__/GroupCallErrorBoundary.test.tsx.snap
@@ -292,7 +292,7 @@ exports[`should have a close button in widget mode 1`] = `
             Call is not supported
           </h1>
           <p>
-            The server is not configured to work with Element Call. Please contact your server admin (Domain: example.com, Error Code: MISSING_MATRIX_RTC_FOCUS).
+            The server is not configured to work with Element Call. Please contact your server admin (Domain: example.com, Error Code: MISSING_MATRIX_RTC_TRANSPORT).
           </p>
           <button
             class="_button_vczzf_8"
@@ -445,7 +445,7 @@ exports[`should render the error page with link back to home 1`] = `
             Call is not supported
           </h1>
           <p>
-            The server is not configured to work with Element Call. Please contact your server admin (Domain: example.com, Error Code: MISSING_MATRIX_RTC_FOCUS).
+            The server is not configured to work with Element Call. Please contact your server admin (Domain: example.com, Error Code: MISSING_MATRIX_RTC_TRANSPORT).
           </p>
           <button
             class="_button_vczzf_8 homeLink"
@@ -598,7 +598,7 @@ exports[`should report correct error for 'Call is not supported' 1`] = `
             Call is not supported
           </h1>
           <p>
-            The server is not configured to work with Element Call. Please contact your server admin (Domain: example.com, Error Code: MISSING_MATRIX_RTC_FOCUS).
+            The server is not configured to work with Element Call. Please contact your server admin (Domain: example.com, Error Code: MISSING_MATRIX_RTC_TRANSPORT).
           </p>
           <button
             class="_button_vczzf_8 homeLink"