diff --git a/tools/packrootfs b/tools/packrootfs
index 9836e647..0d0a8227 100755
--- a/tools/packrootfs
+++ b/tools/packrootfs
@@ -1,11 +1,11 @@
 #!/bin/bash
 
-set -e
-
 # Copyright 2024, UNSW
 #
 # SPDX-License-Identifier: BSD-2-Clause
 
+set -e
+
 if [ $# -lt 2 ]; then
     echo "Usage: $0 <rootfs> <tmpdir> [-o output_rootfs] [--startup files...] [--home files...] [--etc files...]"
     exit 1