From 9b6a78f43b9415bd155bddf6a6d872f5d5555595 Mon Sep 17 00:00:00 2001
From: Stefan Daschek <stefan@daschek.net>
Date: Wed, 21 Sep 2022 20:36:44 +0200
Subject: Update lib/axlsx/util/constants.rb

Co-authored-by: Geremia Taglialatela <tagliala@users.noreply.github.com>
---
 lib/axlsx/util/constants.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/axlsx/util/constants.rb b/lib/axlsx/util/constants.rb
index f1c00e44..2284a8e3 100644
--- a/lib/axlsx/util/constants.rb
+++ b/lib/axlsx/util/constants.rb
@@ -278,7 +278,7 @@ module Axlsx
   WORKSHEET_MAX_NAME_LENGTH = 31
 
   # worksheet name forbidden characters
-  WORKSHEET_NAME_FORBIDDEN_CHARS = '[]*/\?:'.freeze
+  WORKSHEET_NAME_FORBIDDEN_CHARS = '[]*/\?:'.chars.freeze
 
   # error messages RestrictionValidor
   ERR_RESTRICTION = "Invalid Data: %s. %s must be one of %s.".freeze
-- 
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