diff --git a/talk/app/webrtc/webrtcsession.cc b/talk/app/webrtc/webrtcsession.cc
index 50221ac992..2d040291a6 100644
--- a/talk/app/webrtc/webrtcsession.cc
+++ b/talk/app/webrtc/webrtcsession.cc
@@ -1397,7 +1397,9 @@ bool WebRtcSession::UseCandidate(
     }
     // TODO(bemasc): If state is Completed, go back to Connected.
   } else {
-    LOG(LS_WARNING) << error;
+    if (!error.empty()) {
+      LOG(LS_WARNING) << error;
+    }
   }
   return true;
 }
diff --git a/talk/p2p/base/transport.cc b/talk/p2p/base/transport.cc
index 0090c078fb..8261f723eb 100644
--- a/talk/p2p/base/transport.cc
+++ b/talk/p2p/base/transport.cc
@@ -1,6 +1,6 @@
 /*
  * libjingle
- * Copyright 2004--2005, Google Inc.
+ * Copyright 2004, Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
@@ -405,6 +405,12 @@ bool Transport::VerifyCandidate(const Candidate& cand, std::string* error) {
 
   // Disallow all ports below 1024, except for 80 and 443 on public addresses.
   int port = cand.address().port();
+  if (port == 0) {
+    // Expected for active-only candidates per
+    // http://tools.ietf.org/html/rfc6544#section-4.5 so no error.
+    *error = "";
+    return false;
+  }
   if (port < 1024) {
     if ((port != 80) && (port != 443)) {
       *error = "candidate has port below 1024, but not 80 or 443";