diff --git a/src/00_clean.sh b/src/00_clean.sh
index c7b411246..3912f58ea 100755
--- a/src/00_clean.sh
+++ b/src/00_clean.sh
@@ -1,12 +1,11 @@
 #!/bin/sh
+set -e
 
 echo "*** CLEAN BEGIN ***"
 
 echo "Cleaning up the main work area. This may take a while..."
 rm -rf work
 mkdir work
-
-# -p stops errors if the directory already exists
 mkdir -p source
 
 echo "*** CLEAN END ***"
diff --git a/src/08_prepare_src.sh b/src/08_prepare_src.sh
index 1f4c2e4e0..8cf22b00f 100755
--- a/src/08_prepare_src.sh
+++ b/src/08_prepare_src.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+set -e
 
 echo "*** PREPARE SRC BEGIN ***"
 
diff --git a/src/09_generate_rootfs.sh b/src/09_generate_rootfs.sh
index e6b203cac..bbdab9aa7 100755
--- a/src/09_generate_rootfs.sh
+++ b/src/09_generate_rootfs.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+set -e
 
 echo "*** GENERATE ROOTFS BEGIN ***"
 
diff --git a/src/10_pack_rootfs.sh b/src/10_pack_rootfs.sh
index f3279d1b9..3ce688866 100755
--- a/src/10_pack_rootfs.sh
+++ b/src/10_pack_rootfs.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+set -e
 
 echo "*** PACK ROOTFS BEGIN ***"
 
diff --git a/src/11_get_syslinux.sh b/src/11_get_syslinux.sh
index baa8f3d1c..ef3c09ae4 100755
--- a/src/11_get_syslinux.sh
+++ b/src/11_get_syslinux.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+set -e
 
 echo "*** GET SYSLINUX BEGIN ***"