lib/mongo/collection/view/aggregation.rb in mongo-2.4.0.rc0 vs lib/mongo/collection/view/aggregation.rb in mongo-2.4.0.rc1

@@ -118,10 +118,12 @@
           validate_collation!(server)
           initial_query_op.execute(server)
         end
 
         def validate_collation!(server)
-          raise Error::UnsupportedCollation.new if @options[:collation] && !server.features.collation_enabled?
+          if (@options[:collation] || @options[Operation::COLLATION]) && !server.features.collation_enabled?
+            raise Error::UnsupportedCollation.new
+          end
         end
       end
     end
   end
 end