diff --git a/lib/octopus/collection_association.rb b/lib/octopus/collection_association.rb
index 6713271a..e688f0c4 100644
--- a/lib/octopus/collection_association.rb
+++ b/lib/octopus/collection_association.rb
@@ -1,7 +1,7 @@
 module Octopus
   module CollectionAssociation
     def self.included(base)
-      if Octopus.rails51? || Octopus.rails52?
+      if Octopus.atleast_rails51?
         base.sharded_methods :reader, :writer, :ids_reader, :ids_writer, :create, :create!,
                              :build, :include?,
                              :load_target, :reload, :size, :select