diff --git a/aos/externals/seasocks/gen_embedded.py b/aos/externals/seasocks/gen_embedded.py
index 416e37b..fdcdfd9 100755
--- a/aos/externals/seasocks/gen_embedded.py
+++ b/aos/externals/seasocks/gen_embedded.py
@@ -39,7 +39,7 @@
     with open(f, 'rb') as file:
       bytes = file.read()
     o.write('{"/%s", {' % os.path.basename(f))
-    o.write('"' + "".join(['\\x%02x' % ord(x) for x in bytes]) + '"')
+    o.write('"' + "".join(['\\x%02x' % x for x in bytes]) + '"')
     o.write(',%d }},' % len(bytes))
 
   o.write("""