diff --git a/tests/grub_cmd_test.in b/tests/grub_cmd_test.in
index 3399eb292..dac6f7d6a 100644
--- a/tests/grub_cmd_test.in
+++ b/tests/grub_cmd_test.in
@@ -1,4 +1,5 @@
 #! @BUILD_SHEBANG@
+set -e
 
 # create a randome file
 empty="`mktemp "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"`" || exit 1
diff --git a/tests/grub_script_blockarg.in b/tests/grub_script_blockarg.in
index 6ea9b8c3d..134a43b05 100644
--- a/tests/grub_script_blockarg.in
+++ b/tests/grub_script_blockarg.in
@@ -1,4 +1,5 @@
 #! @BUILD_SHEBANG@
+set -e
 
 # Run GRUB script in a Qemu instance
 # Copyright (C) 2010  Free Software Foundation, Inc.
diff --git a/tests/test_sha512sum.in b/tests/test_sha512sum.in
index 027092a8b..d97b7ae2c 100644
--- a/tests/test_sha512sum.in
+++ b/tests/test_sha512sum.in
@@ -1,4 +1,5 @@
 #! @BUILD_SHEBANG@
+set -e
 
 # create a randome file
 file="`mktemp "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"`" || exit 1