diff --git a/templates/config.erb b/templates/config.erb
index ca350ca..4d3f323 100644
--- a/templates/config.erb
+++ b/templates/config.erb
@@ -1,33 +1,34 @@
+<% require 'shellwords' -%>
 # Configuration for backup <%= @title %>
 # Managed by puppet. Your modifications will be overwritten
 
 # Name of the backup file
 BACKUP_TITLE=<%= @title.shellescape %>
 
 # Path where backups are stored
 BACKUP_STORAGE=<%= @backup_storage.shellescape %>
 
 # Base path of the backup
 BACKUP_BASE=<%= @backup_base.shellescape %>
 
 # Includes
 BACKUP_INCLUDE=<%= @includes_path.shellescape %>
 
 # Excludes
 BACKUP_EXCLUDE=<%= @excludes_path.shellescape %>
 
 # Lock file
 BACKUP_LOCK=<%= @lock_path.shellescape %>
 
 # Done file
 BACKUP_DONE=<%= @flag_path.shellescape %>
 
 # Additional options to dar
 BACKUP_OPTIONS=(
 <% @backup_options.each do |option| -%>
 <%= option.shellescape %>
 <% end %>
 )
 
 # Number of backups to keep
 BACKUP_KEEP="<%= @keep_backups %>"