diff --git a/examples/litedram_gen.py b/examples/litedram_gen.py
index 8e33030..4a4c934 100755
--- a/examples/litedram_gen.py
+++ b/examples/litedram_gen.py
@@ -1,7 +1,8 @@
+#!/usr/bin/env python3
+
 # This file is Copyright (c) 2018-2019 Florent Kermarrec <florent@enjoy-digital.fr>
 # License: BSD
 
-#!/usr/bin/env python3
 import os
 import sys
 import math