diff -r 681e61714a1d -r 11679a57a895 rt/emul/compact/src/main/java/java/util/Locale.java
--- a/rt/emul/compact/src/main/java/java/util/Locale.java	Sun Feb 22 09:00:14 2015 +0100
+++ b/rt/emul/compact/src/main/java/java/util/Locale.java	Mon Feb 23 09:00:13 2015 +0100
@@ -644,6 +644,7 @@
     }
     
     @JavaScriptBody(args = {}, body = ""
+        + "if (typeof navigator === 'undefined') return null;\n"
         + "if (navigator.language) return navigator.language;\n"
         + "if (navigator.userLangage) return navigator.userLangage;\n"
         + "return null;\n"