diff --git a/usr/bin/tailscale b/usr/bin/tailscale
index deab963..908f0e7 100755
--- a/usr/bin/tailscale
+++ b/usr/bin/tailscale
@@ -1,5 +1,7 @@
 #!/bin/sh
 
+set -e
+
 if [ ! -f /tmp/tailscale ]; then
     arch=`uname -m`
     if [ "$arch" == "mips" ]; then
diff --git a/usr/bin/tailscaled b/usr/bin/tailscaled
index 070abd8..db7ff6a 100755
--- a/usr/bin/tailscaled
+++ b/usr/bin/tailscaled
@@ -1,5 +1,7 @@
 #!/bin/sh
 
+set -e
+
 if [ ! -f /tmp/tailscaled ]; then
     arch=`uname -m`
     if [ "$arch" == "mips" ]; then