diff --git a/manifests/init.pp b/manifests/init.pp
index 812c2e6..68798ac 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -31,7 +31,9 @@ class puppet (
 	
       Package {
         provider => 'apt' }
-	package{'ruby-msgpack': ensure => $ensure}
+      if $::lsbdistid != 'Ubuntu' {
+	      package{'ruby-msgpack': ensure => $ensure}
+	    }
     }
     default : {
       $puppetpkgs = 'puppet'