diff --git a/acceptance/tests/concurrency/ticket_2659_concurrent_catalog_requests.rb b/acceptance/tests/concurrency/ticket_2659_concurrent_catalog_requests.rb
index eb3241c74..074420375 100644
--- a/acceptance/tests/concurrency/ticket_2659_concurrent_catalog_requests.rb
+++ b/acceptance/tests/concurrency/ticket_2659_concurrent_catalog_requests.rb
@@ -1,108 +1,108 @@
 test_name "concurrent catalog requests (PUP-2659)"
 
 # we're only testing the effects of loading a master with concurrent requests
 confine :except, :platform => 'windows'
 
 step "setup a manifest"
 
 testdir = master.tmpdir("concurrent")
 
 apply_manifest_on(master, <<-MANIFEST, :catch_failures => true)
   File {
     ensure => directory,
     owner => #{master['user']},
     group => #{master['group']},
-    mode => 0750,
+    mode => '750',
   }
 
   file { '#{testdir}': }
   file { '#{testdir}/busy': }
   file { '#{testdir}/busy/one.txt':
     ensure => file,
-    mode => 640,
+    mode => '640',
     content => "Something to read",
   }
   file { '#{testdir}/busy/two.txt':
     ensure => file,
-    mode => 640,
+    mode => '640',
     content => "Something else to read",
   }
   file { '#{testdir}/busy/three.txt':
     ensure => file,
-    mode => 640,
+    mode => '640',
     content => "Something more else to read",
   }
 
   file { '#{testdir}/manifests': }
   file { '#{testdir}/manifests/site.pp':
     ensure => file,
     content => '
       $foo = inline_template("
         <%- 1000.times do
              Dir.glob(\\'#{testdir}/busy/*.txt\\').each do |f|
                File.new(f).read
              end
            end
         %>
         \\'touched the file system for a bit\\'
       ")
       notify { "end":
         message => $foo,
       }
     ',
-    mode => 640,
+    mode => '640',
   }
 MANIFEST
 
 step "start master"
 master_opts = {
   'main' => {
     'manifest' => "#{testdir}/manifests/site.pp",
   }
 }
 with_puppet_running_on(master, master_opts, testdir) do
 
   step "concurrent catalog curls (with alliterative alacrity)"
   agents.each do |agent|
     cert_path    = on(agent, puppet('config', 'print', 'hostcert')).stdout.chomp
     key_path     = on(agent, puppet('config', 'print', 'hostprivkey')).stdout.chomp
     cacert_path  = on(agent, puppet('config', 'print', 'localcacert')).stdout.chomp
     agent_cert   = on(agent, puppet('config', 'print', 'certname')).stdout.chomp
 
     run_count = 6
     agent_tmpdir = agent.tmpdir("concurrent-loop-script")
     test_script = "#{agent_tmpdir}/loop.sh"
     create_remote_file(agent, test_script, <<-EOF)
       declare -a MYPIDS
       loops=#{run_count}
 
       for (( i=0; i<$loops; i++ )); do
         (
           sleep_for="0.$(( $RANDOM % 49 ))"
           sleep $sleep_for
           url='https://#{master}:8140/production/catalog/#{agent_cert}'
           echo "Curling: $url"
           curl -v -# -H 'Accept: text/pson' --cert #{cert_path} --key #{key_path} --cacert #{cacert_path} $url
           echo "$PPID Completed"
         ) > "#{agent_tmpdir}/catalog-request-$i.out" 2>&1 &
         echo "Launched $!"
         MYPIDS[$i]=$!
       done
 
       for (( i=0; i<$loops; i++ )); do
         wait ${MYPIDS[$i]}
       done
 
       echo "All requests are finished"
     EOF
     on(agent, "chmod +x #{test_script}")
     on(agent, "#{test_script}")
     run_count.times do |i|
       step "Checking the results of catalog request ##{i}"
       on(agent, "cat #{agent_tmpdir}/catalog-request-#{i}.out") do
         assert_match(%r{< HTTP/1.* 200}, stdout)
         assert_match(%r{touched the file system for a bit}, stdout)
       end
     end
   end
 end