diff --git a/install_puppet.sh b/install_puppet.sh
index 9b4297c225..50580f4b35 100755
--- a/install_puppet.sh
+++ b/install_puppet.sh
@@ -189,7 +189,7 @@ EOF
 
     # NOTE(pabelanger): Puppetlabs does not support ubuntu xenial. Instead use
     # the version of puppet ship by xenial.
-    if [ $lsbdistcodename != 'xenial']; then
+    if [ $lsbdistcodename != 'xenial' ]; then
         puppet_deb=puppetlabs-release-${lsbdistcodename}.deb
         wget http://apt.puppetlabs.com/$puppet_deb -O $puppet_deb
         dpkg -i $puppet_deb