lib/fat_table/table.rb in fat_table-0.9.1 vs lib/fat_table/table.rb in fat_table-0.9.2

@@ -135,10 +135,10 @@
     # that column's type and tolerance.  Also, set any instance variables that
     # might have been set by a subclass instance.
     def empty_dup(result_cols = nil)
       result_cols ||= heads
       result_types = types.select { |k,_v| result_cols.include?(k) }
-      result = Table.new(result_cols, **result_types)
+      result = self.class.new(result_cols, **result_types)
       tolerant_cols.each do |h|
         result.tolerant_cols << h
         result.column(h).tolerant = true
       end
       (instance_variables - result.instance_variables).each do |v|