diff --git a/spec/models/data_mapper/data_mapper_spec.rb b/spec/models/data_mapper/data_mapper_spec.rb
index 3b5938e..6df3486 100644
--- a/spec/models/data_mapper/data_mapper_spec.rb
+++ b/spec/models/data_mapper/data_mapper_spec.rb
@@ -1,6 +1,6 @@
 require 'spec_helper'
 
-if defined? DataMapper
+if defined?(DataMapper) && !defined?(Kaminari::DataMapper)
   # tests for issue #203
   describe Kaminari::DataMapperCollectionMethods do
     before do