diff --git a/chef/cookbooks/metasploitable/recipes/apache_continuum.rb b/chef/cookbooks/metasploitable/recipes/apache_continuum.rb
index c549fc6..a72d0b6 100644
--- a/chef/cookbooks/metasploitable/recipes/apache_continuum.rb
+++ b/chef/cookbooks/metasploitable/recipes/apache_continuum.rb
@@ -14,12 +14,12 @@ package 'openjdk-6-jdk'
 directory node[:apache_continuum][:install_dir] do
   owner 'root'
   group 'root'
-  mode 0644
+  mode '0644'
 end
 
 remote_file "#{Chef::Config[:file_cache_path]}/#{node[:apache_continuum][:tar]}" do
   source "#{node[:apache_continuum][:download_url]}/#{node[:apache_continuum][:tar]}"
-  mode 0644
+  mode '0644'
 end
 
 execute "extract apache continum" do
diff --git a/chef/cookbooks/metasploitable/recipes/chatbot.rb b/chef/cookbooks/metasploitable/recipes/chatbot.rb
index 5bc2528..28e2ddb 100644
--- a/chef/cookbooks/metasploitable/recipes/chatbot.rb
+++ b/chef/cookbooks/metasploitable/recipes/chatbot.rb
@@ -20,7 +20,7 @@ end
 
 cookbook_file '/tmp/chatbot.zip' do
   source 'chatbot/chatbot.zip'
-  mode 0700
+  mode '0700'
 end
 
 execute 'unzip chatbot' do
diff --git a/chef/cookbooks/metasploitable/recipes/drupal.rb b/chef/cookbooks/metasploitable/recipes/drupal.rb
index 5ac3969..6d47543 100644
--- a/chef/cookbooks/metasploitable/recipes/drupal.rb
+++ b/chef/cookbooks/metasploitable/recipes/drupal.rb
@@ -14,12 +14,12 @@ files_path    = File.join(Chef::Config[:file_cache_path], 'cookbooks', 'metasplo
 
 remote_file "#{Chef::Config[:file_cache_path]}/#{drupal_tar}" do
   source "#{node[:drupal][:download_url]}/#{drupal_tar}"
-  mode 00644
+  mode '0644'
 end
 
 remote_file "#{Chef::Config[:file_cache_path]}/#{coder_tar}" do
   source "#{node[:drupal][:download_url]}/#{coder_tar}"
-  mode 00644
+  mode '0644'
 end
 
 directory node[:drupal][:install_dir] do
diff --git a/chef/cookbooks/metasploitable/recipes/knockd.rb b/chef/cookbooks/metasploitable/recipes/knockd.rb
index fac26e7..40d10e4 100644
--- a/chef/cookbooks/metasploitable/recipes/knockd.rb
+++ b/chef/cookbooks/metasploitable/recipes/knockd.rb
@@ -10,12 +10,12 @@ end
 
 template '/etc/knockd.conf' do
   source 'knockd/knockd.conf.erb'
-  mode 0600
+  mode '0600'
 end
 
 cookbook_file '/etc/default/knockd' do
   source 'knockd/knockd'
-  mode 0600
+  mode '0600'
 end
 
 service 'knockd' do
diff --git a/chef/cookbooks/metasploitable/recipes/php_545.rb b/chef/cookbooks/metasploitable/recipes/php_545.rb
index 0d39ecc..65ae21b 100644
--- a/chef/cookbooks/metasploitable/recipes/php_545.rb
+++ b/chef/cookbooks/metasploitable/recipes/php_545.rb
@@ -28,12 +28,12 @@ end
 
 remote_file "#{Chef::Config[:file_cache_path]}/#{php_tar}" do
   source "#{node[:php545][:download_url]}/#{php_tar}"
-  mode 0644
+  mode '0644'
 end
 
 remote_file "#{Chef::Config[:file_cache_path]}/libxml29_compat.patch" do
   source "https://mail.gnome.org/archives/xml/2012-August/txtbgxGXAvz4N.txt"
-  mode 0644
+  mode '0644'
 end
 
 execute "extract php" do
diff --git a/chef/cookbooks/metasploitable/recipes/proftpd.rb b/chef/cookbooks/metasploitable/recipes/proftpd.rb
index fb9d681..cbdd64c 100644
--- a/chef/cookbooks/metasploitable/recipes/proftpd.rb
+++ b/chef/cookbooks/metasploitable/recipes/proftpd.rb
@@ -12,7 +12,7 @@ proftpd_tar = 'proftpd-1.3.5.tar.gz'
 
 remote_file "#{Chef::Config[:file_cache_path]}/#{proftpd_tar}" do
   source "#{node[:proftpd][:download_url]}/#{proftpd_tar}"
-  mode 0644
+  mode '0644'
 end
 
 execute "extract proftpd" do
diff --git a/chef/cookbooks/metasploitable/recipes/readme_app.rb b/chef/cookbooks/metasploitable/recipes/readme_app.rb
index 0e29f54..95d6670 100644
--- a/chef/cookbooks/metasploitable/recipes/readme_app.rb
+++ b/chef/cookbooks/metasploitable/recipes/readme_app.rb
@@ -12,7 +12,7 @@ include_recipe 'metasploitable::nodejs'
 package 'git'
 
 directory '/opt/readme_app' do
-  mode 0644
+  mode '0644'
 end
 
 bash "clone the readme app and install gems" do
@@ -24,12 +24,12 @@ end
 
 template '/opt/readme_app/start.sh' do
   source 'readme_app/start.sh.erb'
-  mode 0700
+  mode '0700'
 end
 
 cookbook_file '/etc/init/readme_app.conf' do
   source 'readme_app/readme_app.conf'
-  mode 0644
+  mode '0644'
 end
 
 service 'readme_app' do
diff --git a/chef/cookbooks/metasploitable/recipes/sshd.rb b/chef/cookbooks/metasploitable/recipes/sshd.rb
index 8c169ac..316b736 100644
--- a/chef/cookbooks/metasploitable/recipes/sshd.rb
+++ b/chef/cookbooks/metasploitable/recipes/sshd.rb
@@ -6,7 +6,7 @@
 
 cookbook_file '/etc/ssh/sshd_config' do
   source 'sshd/sshd_config'
-  mode 0644
+  mode '0644'
 end
 
 service 'ssh' do