diff -ur -x importlib.h /home/lemburg/egenix/projects/PyRun/Python-3.4.1/Lib/importlib/_bootstrap.py ./Lib/importlib/_bootstrap.py
--- /home/lemburg/egenix/projects/PyRun/Python-3.4.1/Lib/importlib/_bootstrap.py	2014-05-19 07:19:38.000000000 +0200
+++ ./Lib/importlib/_bootstrap.py	2014-06-12 17:45:06.192649090 +0200
@@ -1356,6 +1364,7 @@
             raise ImportError('{!r} is not a frozen module'.format(name),
                               name=name)
         code = _call_with_frames_removed(_imp.get_frozen_object, name)
+        module.__file__ = code.co_filename
         exec(code, module.__dict__)
 
     @classmethod
diff -ur -x importlib.h /home/lemburg/egenix/projects/PyRun/Python-3.4.1/Python/import.c ./Python/import.c
--- /home/lemburg/egenix/projects/PyRun/Python-3.4.1/Python/import.c	2014-05-19 07:19:40.000000000 +0200
+++ ./Python/import.c	2014-06-12 02:12:33.739715917 +0200
@@ -1268,6 +1268,23 @@
     if (d == NULL) {
         goto err_return;
     }
+
+    /* Remember the filename as the __file__ attribute, for all frozen modules
+       except the special _frozen_importlib one (doing this breaks
+       bootstrapping for some reason)
+
+       Note: this function is only called during startup of the interpreter
+       and by C extensions. All other imports of frozen modules are handled by
+       the importlib. See importlib._bootstrap.FrozenImporter for details.
+
+    */
+    if (PyUnicode_CompareWithASCIIString(name, "_frozen_importlib") != 0) {
+	if (PyDict_SetItemString(d,
+				 "__file__",
+				 ((PyCodeObject *)co)->co_filename))
+	    PyErr_Clear(); /* Not important enough to report */
+    }
+
     m = exec_code_in_module(name, d, co);
     if (m == NULL)
         goto err_return;