diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/axlsx/stylesheet/color.rb | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/axlsx/stylesheet/color.rb b/lib/axlsx/stylesheet/color.rb index 744e63d5..e736af7f 100644 --- a/lib/axlsx/stylesheet/color.rb +++ b/lib/axlsx/stylesheet/color.rb @@ -51,7 +51,7 @@ module Axlsx # @see color def rgb=(v) Axlsx::validate_string(v) - v.upcase! + v = v.upcase v = v * 3 if v.size == 2 v = v.rjust(8, 'FF') raise ArgumentError, "Invalid color rgb value: #{v}." unless v.match(/[0-9A-F]{8}/) |