diff --git a/scripts/secret_decoder_ring.py b/scripts/secret_decoder_ring.py
index 7b8c6a66223..913b414b59f 100644
--- a/scripts/secret_decoder_ring.py
+++ b/scripts/secret_decoder_ring.py
@@ -42,7 +42,7 @@ security_helper = SecurityHelper(id_secret=id_secret)
 if args.action == 'decode':
     sys.stdout.write(security_helper.decode_guid(args.value.lstrip('F')))
 elif args.action == 'encode':
-    sys.stdout.write(security_helper.encode_guid(args.value))
+    sys.stdout.write(security_helper.encode_guid(args.value).decode('utf-8'))
 else:
     sys.stdout.write("Unknown argument")
 sys.stdout.write('\n')