fix typo

liangwenke · Nov 19, 2014 · 40d93b2 · 40d93b2
1 parent 9708004
commit 40d93b2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/to_xls-rails.rb b/lib/to_xls-rails.rb
@@ -22,7 +22,7 @@ def to_xls(options = {}, &block)
       if self.first.is_a? Hash
         columns = self.first.keys.map(&:to_sym) - Array(options[:except]).map(&:to_sym)
       else
-        columns = self.first.class.attributes.keys.map(&:to_sym) - Array(options[:except]).map(&:to_sym)
+        columns = self.first.attributes.keys.map(&:to_sym) - Array(options[:except]).map(&:to_sym)
       end
     end