diff --git a/Python/pythonrun.c b/Python/pythonrun.c
index d7b8872..c67f50e 100644
--- a/Python/pythonrun.c
+++ b/Python/pythonrun.c
@@ -1076,8 +1076,10 @@
 	if (v && flags) {
 		if (co->co_flags & CO_NESTED)
 			flags->cf_nested_scopes = 1;
+#if 0
 		fprintf(stderr, "run_pyc_file: nested_scopes: %d\n",
-			flags->cf_nested_scopes);			
+			flags->cf_nested_scopes);
+#endif
 	}
 	Py_DECREF(co);
 	return v;