diff --git a/lib/puppet/type/zpool.rb b/lib/puppet/type/zpool.rb
index 40ee8f286..2da713c2b 100755
--- a/lib/puppet/type/zpool.rb
+++ b/lib/puppet/type/zpool.rb
@@ -1,90 +1,91 @@
 module Puppet
   class Property
 
     class VDev < Property
 
       def flatten_and_sort(array)
+        array = [array] unless array.is_a? Array
         array.collect { |a| a.split(' ') }.flatten.sort
       end
 
       def insync?(is)
         return @should == [:absent] if is == :absent
 
         flatten_and_sort(is) == flatten_and_sort(@should)
       end
     end
 
     class MultiVDev < VDev
       def insync?(is)
         return @should == [:absent] if is == :absent
 
         return false unless is.length == @should.length
 
         is.each_with_index { |list, i| return false unless flatten_and_sort(list) == flatten_and_sort(@should[i]) }
 
         #if we made it this far we are in sync
         true
       end
     end
   end
 
   newtype(:zpool) do
     @doc = "Manage zpools. Create and delete zpools. The provider WILL NOT SYNC, only report differences.
 
       Supports vdevs with mirrors, raidz, logs and spares."
 
     ensurable
 
     newproperty(:disk, :array_matching => :all, :parent => Puppet::Property::VDev) do
       desc "The disk(s) for this pool. Can be an array or space separated string"
     end
 
     newproperty(:mirror, :array_matching => :all, :parent => Puppet::Property::MultiVDev) do
       desc "List of all the devices to mirror for this pool. Each mirror should be a
       space separated string:
 
           mirror => [\"disk1 disk2\", \"disk3 disk4\"],
 
       "
 
       validate do |value|
         raise ArgumentError, "mirror names must be provided as string separated, not a comma-separated list" if value.include?(",")
       end
     end
 
     newproperty(:raidz, :array_matching => :all, :parent => Puppet::Property::MultiVDev) do
       desc "List of all the devices to raid for this pool. Should be an array of
       space separated strings:
 
           raidz => [\"disk1 disk2\", \"disk3 disk4\"],
 
       "
 
       validate do |value|
         raise ArgumentError, "raid names must be provided as string separated, not a comma-separated list" if value.include?(",")
       end
     end
 
     newproperty(:spare, :array_matching => :all, :parent => Puppet::Property::VDev) do
       desc "Spare disk(s) for this pool."
     end
 
     newproperty(:log, :array_matching => :all, :parent => Puppet::Property::VDev) do
       desc "Log disks for this pool. (doesn't support mirroring yet)"
     end
 
     newparam(:pool) do
       desc "The name for this pool."
       isnamevar
     end
 
     newparam(:raid_parity) do
       desc "Determines parity when using raidz property."
     end
 
     validate do
       has_should = [:disk, :mirror, :raidz].select { |prop| self.should(prop) }
       self.fail "You cannot specify #{has_should.join(" and ")} on this type (only one)" if has_should.length > 1
     end
   end
 end