diff --git a/lib/puppet/provider/nova_aggregate/nova.rb b/lib/puppet/provider/nova_aggregate/nova.rb
index 34a7b5bf0..ec4fc8250 100644
--- a/lib/puppet/provider/nova_aggregate/nova.rb
+++ b/lib/puppet/provider/nova_aggregate/nova.rb
@@ -21,7 +21,7 @@ Puppet::Type.type(:nova_aggregate).provide(
           :id => attrs['Id'],
           :availability_zone => attrs['Availability Zone'],
           :metadata => attrs['Metadata'],
-          :hosts => attrs['Hosts']
+          :hosts => attrs['Hosts'].sort
           )
     end
   end
diff --git a/lib/puppet/type/nova_aggregate.rb b/lib/puppet/type/nova_aggregate.rb
index ccc6b9c5e..a6f4b6fc2 100644
--- a/lib/puppet/type/nova_aggregate.rb
+++ b/lib/puppet/type/nova_aggregate.rb
@@ -99,7 +99,7 @@ Puppet::Type.newtype(:nova_aggregate) do
     desc 'Single host or comma seperated list of hosts'
     #convert DSL/string form to internal form
     munge do |value|
-      return value.split(",").map{|el| el.strip()}
+      return value.split(",").map{|el| el.strip()}.sort
     end
   end