diff --git a/colours.sh b/colours.sh
index 6e8d583..2e6dfad 100755
--- a/colours.sh
+++ b/colours.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
 
+set -e
+
 # Print out escape sequences usable for coloured text on tty.
 # shellcheck disable=2016
 printf 'Colour escapes are %s\n' '\e[${value};...;${value}m'
diff --git a/pull.sh b/pull.sh
index 263e79e..be403b4 100755
--- a/pull.sh
+++ b/pull.sh
@@ -1,5 +1,7 @@
 #!/bin/sh
 
+set -e
+
 __r__(){
 	end="$1"
 	for _ in $(seq 1 "$end"); do
diff --git a/status.sh b/status.sh
index 21d6cc9..8bdf9de 100755
--- a/status.sh
+++ b/status.sh
@@ -1,5 +1,7 @@
 #!/bin/sh
 
+set -e
+
 __r__(){
 	end="$1"
 	for _ in $(seq 1 "$end"); do