diff --git a/src/hooks/install b/src/hooks/install
index 780bb71..9c2707c 100755
--- a/src/hooks/install
+++ b/src/hooks/install
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/bash -e
 # Wrapper to deal with newer Ubuntu versions that don't have py2 installed
 # by default.
 
@@ -9,7 +9,7 @@ check_and_install() {
     fi
 }
 
-if [[ $(lsb_release -sc) -eq "trusty" ]]; then
+if [[ "$(lsb_release -sc)" == "trusty" ]]; then
     juju-log "Enabling cloud archive to work around old trusty tools"
     # Add a random cloud archive for the Openstack python3 clients
     add-apt-repository --yes ppa:ubuntu-cloud-archive/mitaka-staging