diff --git a/source/workbook/tests/test_produce_xlsx.hpp b/source/workbook/tests/test_produce_xlsx.hpp
index 3a8d4b72..813cb4c0 100644
--- a/source/workbook/tests/test_produce_xlsx.hpp
+++ b/source/workbook/tests/test_produce_xlsx.hpp
@@ -168,7 +168,7 @@ public:
 		comment_text.clear();
 		comment_text.add_run(formatted_run);
 		sheet1.get_cell("A2").comment(xlnt::comment(comment_text, "Microsoft Office User"));
-/*
+
 		auto sheet2 = wb.create_sheet();
 		sheet2.get_cell("A1").set_value("Sheet2!A1");
 		formatted_run.set_string("Sheet2 comment");
@@ -181,7 +181,7 @@ public:
 		comment_text.clear();
 		comment_text.add_run(formatted_run);
 		sheet2.get_cell("A2").comment(xlnt::comment(comment_text, "Microsoft Office User"));
-*/
+
 		wb.save("debug.xlsx");
 //		wb.load("debug.xlsx");