lib/mongo_mapper/plugins/keys/key.rb in mongo_mapper-0.8.3 vs lib/mongo_mapper/plugins/keys/key.rb in mongo_mapper-0.8.4

@@ -20,10 +20,10 @@
           return false unless type.respond_to?(:embeddable?)
           type.embeddable?
         end
 
         def can_default_id?
-          type && [ObjectId, BSON::ObjectID, String].include?(type)
+          type && [ObjectId, BSON::ObjectId, String].include?(type)
         end
 
         def number?
           [Integer, Float].include?(type)
         end
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