--- build/pgo/profileserver.py.orig	2011-02-24 21:49:47.000000000 +0100
+++ build/pgo/profileserver.py	2011-02-24 21:50:30.000000000 +0100
@@ -59,7 +59,7 @@ if __name__ == '__main__':
       env["MOZ_JAR_LOG_FILE"] = os.path.abspath(jarlog)
       print "jarlog: %s" % env["MOZ_JAR_LOG_FILE"]
 
-    cmdargs = ["http://localhost:%d/index.html" % PORT]
+    cmdargs = ["http://127.0.0.1:%d/index.html" % PORT]
     runner = FirefoxRunner(profile=profile,
                            binary=build.get_binary_path(where="staged-package"),
                            cmdargs=cmdargs,