lib/write_xlsx/worksheet.rb in write_xlsx-1.09.3 vs lib/write_xlsx/worksheet.rb in write_xlsx-1.09.4

@@ -3543,10 +3543,10 @@
 
     #
     # Write the <filters> element.
     #
     def write_filters(*filters) #:nodoc:
-      non_blanks = filters.reject { |filter| filter =~ /^blanks$/i }
+      non_blanks = filters.reject { |filter| filter.to_s =~ /^blanks$/i }
       attributes = []
 
       if filters != non_blanks
         attributes = [ ['blank', 1] ]
       end