diff --git a/travis/setup-webserver.sh b/travis/setup-webserver.sh
index ad63508ca6..beb04b0fef 100755
--- a/travis/setup-webserver.sh
+++ b/travis/setup-webserver.sh
@@ -3,6 +3,7 @@
 # @copyright (c) 2013 phpBB Group
 # @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
 #
+set -e
 
 sudo apt-get update -qq
 sudo apt-get install -qq nginx realpath