diff --git a/talk/app/webrtc/objctests/RTCPeerConnectionTest.mm b/talk/app/webrtc/objctests/RTCPeerConnectionTest.mm
index 826409f56..0ce8822fd 100644
--- a/talk/app/webrtc/objctests/RTCPeerConnectionTest.mm
+++ b/talk/app/webrtc/objctests/RTCPeerConnectionTest.mm
@@ -99,6 +99,7 @@
   NSString *stunURL = @"stun:stun.l.google.com:19302";
   RTCICEServer *stunServer =
       [[RTCICEServer alloc] initWithURI:[NSURL URLWithString:stunURL]
+                               username:@""
                                password:@""];
   NSArray *iceServers = @[stunServer];