diff --git a/scripts_archlinux/01_install_core.sh b/scripts_archlinux/01_install_core.sh
index 0244966..270157a 100755
--- a/scripts_archlinux/01_install_core.sh
+++ b/scripts_archlinux/01_install_core.sh
@@ -1,5 +1,7 @@
 #!/bin/sh
 
+set -e
+
 echo "Mounting archlinux install system into mnt_archlinux_dvd..."
 sudo mount $CACHEDIR/root-image.fs mnt_archlinux_dvd
 
diff --git a/scripts_archlinux/02_install_groups.sh b/scripts_archlinux/02_install_groups.sh
index 9928f8a..2d82028 100755
--- a/scripts_archlinux/02_install_groups.sh
+++ b/scripts_archlinux/02_install_groups.sh
@@ -1,5 +1,7 @@
 #!/bin/sh
 
+set -e
+
 echo "Mounting archlinux install system into mnt_archlinux_dvd..."
 sudo mount $CACHEDIR/root-image.fs mnt_archlinux_dvd
 
diff --git a/scripts_archlinux/04_install_qubes.sh b/scripts_archlinux/04_install_qubes.sh
index 28d2fc2..877a401 100755
--- a/scripts_archlinux/04_install_qubes.sh
+++ b/scripts_archlinux/04_install_qubes.sh
@@ -1,5 +1,7 @@
 #!/bin/sh
 
+set -e
+
 echo "Mounting archlinux install system into mnt_archlinux_dvd..."
 sudo mount $CACHEDIR/root-image.fs mnt_archlinux_dvd
 
diff --git a/scripts_archlinux/09_cleanup.sh b/scripts_archlinux/09_cleanup.sh
index 19a9581..141374b 100755
--- a/scripts_archlinux/09_cleanup.sh
+++ b/scripts_archlinux/09_cleanup.sh
@@ -1,5 +1,7 @@
 #!/bin/sh
 
+set -e
+
 echo "Mounting archlinux install system into mnt_archlinux_dvd..."
 sudo mount $CACHEDIR/root-image.fs mnt_archlinux_dvd