lib/write_xlsx/chart/column.rb in write_xlsx-0.72.2 vs lib/write_xlsx/chart/column.rb in write_xlsx-0.72.3.beta1

@@ -53,10 +53,10 @@
       # Write the <c:barDir> element.
       #
       def write_bar_dir
         val  = 'col'
 
-        attributes = ['val', val]
+        attributes = [ ['val', val] ]
 
         @writer.empty_tag('c:barDir', attributes)
       end
 
       #