diff --git a/plugins/moopython/moopython-api.h b/plugins/moopython/moopython-api.h
index 9f506be5..793ff5a2 100644
--- a/plugins/moopython/moopython-api.h
+++ b/plugins/moopython/moopython-api.h
@@ -456,6 +456,63 @@ moo_python_api_py_arg_parse_tuple (MooPyObject *args,
 }
 
 
+#ifdef __WIN32__
+
+static gboolean
+sys_path_add_dir (const char *dir)
+{
+    PyObject *path;
+    PyObject *add;
+    int result;
+
+    g_return_val_if_fail (dir != NULL, FALSE);
+
+    path = PySys_GetObject ("path");
+
+    if (!path)
+    {
+        PyErr_Print ();
+        return FALSE;
+    }
+
+    if (!PyList_Check (path))
+    {
+        g_critical ("sys.path is not a list");
+        return FALSE;
+    }
+
+    add = PyString_FromString (dir);
+    result = PyList_Insert(path, 1, add);
+    Py_DECREF (add);
+
+    if (result != 0)
+    {
+        PyErr_Print ();
+        return FALSE;
+    }
+
+    return TRUE;
+}
+
+static void
+add_win32_dirs (void)
+{
+    char *top = g_win32_get_package_installation_directory_of_module (NULL);
+    char *dir1 = g_build_filename (top, "lib", "python", "DLLs", NULL);
+    char *dir2 = g_build_filename (top, "lib", "python", "site-packages", NULL);
+    char *dir3 = g_build_filename (top, "lib", "python", "site-packages", "gtk-2.0", NULL);
+    sys_path_add_dir (dir3);
+    sys_path_add_dir (dir2);
+    sys_path_add_dir (dir1);
+    g_free (dir3);
+    g_free (dir2);
+    g_free (dir1);
+    g_free (top);
+}
+
+#endif /* __WIN32__ */
+
+
 static gboolean
 moo_python_api_init (void)
 {
@@ -520,6 +577,10 @@ moo_python_api_init (void)
         _moo_py_init_print_funcs ();
     }
 
+#ifdef __WIN32__
+    add_win32_dirs ();
+#endif
+
     api.py_none = (gpointer) Py_None;
 
 #ifndef MOO_DEBUG