--- jython-2.2.1.svn/src/org/python/core/PySystemState.java	2007-10-13 20:44:01.000000000 +0200
+++ jython-2.2.1.svn/src/org/python/core/PySystemState.java-gil	2009-02-22 02:30:58.000000000 +0100
@@ -555,7 +555,13 @@
         }
         cachedir = new File(props.getProperty(PYTHON_CACHEDIR, CACHEDIR_DEFAULT_NAME));
         if (!cachedir.isAbsolute()) {
-            cachedir = new File(PySystemState.prefix, cachedir.getPath());
+            File jythondir = new File(System.getProperty("user.home"), ".jython-cache");
+
+            if (!jythondir.isDirectory()) {
+                jythondir.mkdirs();
+            }
+
+            cachedir = new File(jythondir, cachedir.getPath());
         }
     }