lib/mongo_mapper/extensions/binary.rb in mongo_mapper-0.12.0 vs lib/mongo_mapper/extensions/binary.rb in mongo_mapper-0.13.0.beta1

@@ -1,10 +1,10 @@
 # encoding: UTF-8
 module MongoMapper
   module Extensions
     module Binary
       def to_mongo(value)
-        if value.is_a?(::BSON::Binary)
+        if value.instance_of?(::BSON::Binary)
           value
         else
           value.nil? ? nil : ::BSON::Binary.new(value)
         end
       end
\ No newline at end of file