diff -r 777bd3ed81ba -r 293838e72201 rt/vmtest/src/main/java/org/apidesign/bck2brwsr/vmtest/impl/Bck2BrwsrCase.java
--- a/rt/vmtest/src/main/java/org/apidesign/bck2brwsr/vmtest/impl/Bck2BrwsrCase.java	Mon May 05 10:16:30 2014 +0200
+++ b/rt/vmtest/src/main/java/org/apidesign/bck2brwsr/vmtest/impl/Bck2BrwsrCase.java	Fri Jan 09 20:46:35 2015 +0100
@@ -19,9 +19,11 @@
 
 import java.io.ByteArrayInputStream;
 import java.io.File;
-import java.io.FileWriter;
+import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.io.OutputStreamWriter;
+import java.io.Writer;
 import java.lang.reflect.Constructor;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
@@ -130,7 +132,7 @@
     }
     static void dumpJS(StringBuilder sb, Bck2BrwsrCase c) throws IOException {
         File f = File.createTempFile(c.m.getName(), ".js");
-        try (final FileWriter w = new FileWriter(f)) {
+        try (final Writer w = new OutputStreamWriter(new FileOutputStream(f), "UTF-8")) {
             w.append(c.l.toString());
         }
         sb.append("Path: ").append(f.getPath());