diff --git a/kdump-load.sh b/kdump-load.sh
index 7382a9f..83a38aa 100644
--- a/kdump-load.sh
+++ b/kdump-load.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+set -uo pipefail
 #
 #  SPDX-License-Identifier: LGPL-2.1+
 #
diff --git a/module-setup.sh b/module-setup.sh
index 1cc6992..a4c73aa 100644
--- a/module-setup.sh
+++ b/module-setup.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 #
 #  SPDX-License-Identifier: LGPL-2.1+
 #
diff --git a/save-dumps.sh b/save-dumps.sh
index 7060c25..08fef74 100644
--- a/save-dumps.sh
+++ b/save-dumps.sh
@@ -1,4 +1,5 @@
-#!/bin/sh
+#!/bin/bash
+set -uo pipefail
 #
 #  SPDX-License-Identifier: LGPL-2.1+
 #