Make tags its own thing
diff --git a/manifests/tag.pp b/manifests/tag.pp
index c446bd6..41fe5db 100644
--- a/manifests/tag.pp
+++ b/manifests/tag.pp
@@ -7,7 +7,8 @@
   if $lookup_fact{
     $value = getvar($tag)
     if is_array($value){
-      datadog_agent::tag{prefix($value, "${tag}:"): }
+      $tags = prefix($value, "${tag}:")
+      datadog_agent::tag{$tags: }
     }
     concat::fragment{ "datadog tag ${tag}:${value}":
       target  => '/etc/dd-agent/datadog.conf',