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-rw-r--r--lib/axlsx/workbook/worksheet/pivot_table.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/axlsx/workbook/worksheet/pivot_table.rb b/lib/axlsx/workbook/worksheet/pivot_table.rb
index f7607f57..afad9483 100644
--- a/lib/axlsx/workbook/worksheet/pivot_table.rb
+++ b/lib/axlsx/workbook/worksheet/pivot_table.rb
@@ -266,7 +266,7 @@ module Axlsx
# References for header cells
# @return [Array]
def header_cell_refs
- Axlsx::range_to_a(header_range).first
+ Axlsx.range_to_a(header_range).first
end
# The header cells for the pivot table