diff --git a/invid-conv b/invid-conv
index 97d9c60..b03fc51 100755
--- a/invid-conv
+++ b/invid-conv
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+set -euo pipefail
+
 # Copyright (C) 2025 Nicolás Ortega Froysa <nicolas@ortegas.org> All rights reserved.
 # Author: Nicolás Ortega Froysa <nicolas@ortegas.org>
 #
diff --git a/yt-conv b/yt-conv
index 0f4076f..570b8db 100755
--- a/yt-conv
+++ b/yt-conv
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+set -euo pipefail
+
 # Copyright (C) 2025 Nicolás Ortega Froysa <nicolas@ortegas.org> All rights reserved.
 # Author: Nicolás Ortega Froysa <nicolas@ortegas.org>
 #