diff --git a/debug.sh b/debug.sh
index 2acd9f0..d34c09b 100755
--- a/debug.sh
+++ b/debug.sh
@@ -1,3 +1,6 @@
+#!/bin/bash
+set -euo pipefail
+
 touch ./mips/soft/test.c
 cat ./debug.c > ./mips/soft/test.c
 cd ./mips/soft