diff --git a/hitl/run.sh b/hitl/run.sh
old mode 100644
new mode 100755
index 40e7397..ff9796c
--- a/hitl/run.sh
+++ b/hitl/run.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/bash
+#!/usr/bin/bash -e
 
 # Title:
 #   Stabilizer hardware-in-the-loop (HITL) test script.