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-rw-r--r--lib/axlsx/util/serialized_attributes.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/axlsx/util/serialized_attributes.rb b/lib/axlsx/util/serialized_attributes.rb
index 3372dd5c..30fcfaaa 100644
--- a/lib/axlsx/util/serialized_attributes.rb
+++ b/lib/axlsx/util/serialized_attributes.rb
@@ -65,7 +65,7 @@ module Axlsx
attrs.each do |attribute_name|
value = values[attribute_name.to_s]
next if value.nil?
- yield value if block_given?
+ value = yield value if block_given?
element_name = Axlsx.camel(attribute_name, false)
str << "<#{element_name}>#{value}</#{element_name}>"
end