diff --git a/site-modules/profile/templates/prometheus/node/scripts/puppet-classes.erb b/site-modules/profile/templates/prometheus/node/scripts/puppet-classes.erb
index f13d0e0f..b8359ed6 100644
--- a/site-modules/profile/templates/prometheus/node/scripts/puppet-classes.erb
+++ b/site-modules/profile/templates/prometheus/node/scripts/puppet-classes.erb
@@ -1,23 +1,24 @@
 #!/bin/bash
 
 set -e
 
 outfile="<%= @textfile_directory %>/<%= @script %>.prom"
 tmpfile=`mktemp $outfile.XXXXXX`
 
 cleanup() {
     rm -f $tmpfile
     exit
 }
 
 trap cleanup INT TERM EXIT
 
 {
 echo '# HELP puppet_class Puppet classes in use on this host'
 echo '# TYPE puppet_class gauge'
 sort /var/lib/puppet/state/classes.txt | while read cls; do
   echo "puppet_class{class=\"$cls\"} 1"
 done
 } > $tmpfile
 
+chmod 644 $tmpfile
 mv $tmpfile $outfile