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-rw-r--r--lib/roo/excelx/workbook.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/roo/excelx/workbook.rb b/lib/roo/excelx/workbook.rb
index c21bb1f..aba5720 100644
--- a/lib/roo/excelx/workbook.rb
+++ b/lib/roo/excelx/workbook.rb
@@ -32,6 +32,7 @@ module Roo
doc.xpath('//definedName').each_with_object({}) do |defined_name, hash|
# "Sheet1!$C$5"
sheet, coordinates = defined_name.text.split('!$', 2)
+ next unless coordinates
col, row = coordinates.split('$')
name = defined_name['name']
hash[name] = Label.new(name, sheet, row, col)