diff --git a/ElementX/Sources/Mocks/JoinedRoomProxyMock.swift b/ElementX/Sources/Mocks/JoinedRoomProxyMock.swift
index 2cce091776..7d4030f1d9 100644
--- a/ElementX/Sources/Mocks/JoinedRoomProxyMock.swift
+++ b/ElementX/Sources/Mocks/JoinedRoomProxyMock.swift
@@ -116,7 +116,7 @@ extension JoinedRoomProxyMock {
         widgetDriver.underlyingMessagePublisher = .init()
         widgetDriver.underlyingActions = PassthroughSubject().eraseToAnyPublisher()
         
-        guard let url = URL(string: "https://call.element.dev/\(UUID().uuidString)#?appPrompt=false") else {
+        guard let url = URL(string: "https://call.element.io/\(UUID().uuidString)#?appPrompt=false") else {
             fatalError()
         }