diff --git a/Python/pythonrun.c b/Python/pythonrun.c
index c2005f1..5daf7dd 100644
--- a/Python/pythonrun.c
+++ b/Python/pythonrun.c
@@ -1133,6 +1133,8 @@
 	PyObject *f = PySys_GetObject("stderr");
 	Py_INCREF(value);
 	if (f == NULL)
+		_PyObject_Dump(value);
+	if (f == NULL)
 		fprintf(stderr, "lost sys.stderr\n");
 	else {
 		fflush(stdout);