diff -r 0d277415ed02 -r bfb3f72249de emul/mini/src/main/java/java/util/zip/ZipInputStream.java
--- a/emul/mini/src/main/java/java/util/zip/ZipInputStream.java	Thu Feb 07 12:58:12 2013 +0100
+++ b/emul/mini/src/main/java/java/util/zip/ZipInputStream.java	Thu Feb 07 13:15:41 2013 +0100
@@ -48,7 +48,7 @@
      * @param in the actual input stream
      */
     public ZipInputStream(InputStream in) {
-        super(null);
+        super(in);
         impl = new org.apidesign.bck2brwsr.emul.zip.ZipInputStream(in);
     }