diff --git a/ClosedXML_Examples/Misc/CellValues.cs b/ClosedXML_Examples/Misc/CellValues.cs
index 6919bcf..ea08869 100644
--- a/ClosedXML_Examples/Misc/CellValues.cs
+++ b/ClosedXML_Examples/Misc/CellValues.cs
@@ -153,8 +153,8 @@
             TimeSpan timeSpan1 = (TimeSpan)cellTimeSpan.Value;
             TimeSpan timeSpan2 = cellTimeSpan.GetTimeSpan();
             TimeSpan timeSpan3 = cellTimeSpan.GetValue<TimeSpan>();
-            String timeSpanString = cellTimeSpan.GetString();
-            String timeSpanFormattedString = cellTimeSpan.GetFormattedString();
+            String timeSpanString = "'" + cellTimeSpan.GetString();
+            String timeSpanFormattedString = "'" + cellTimeSpan.GetFormattedString();
 
             // Set the values back to cells
             ws.Cell(7, 3).Value = timeSpan1;
diff --git a/ClosedXML_Tests/Resource/Examples/Misc/CellValues.xlsx b/ClosedXML_Tests/Resource/Examples/Misc/CellValues.xlsx
index ebd1aae..9b5b3c3 100644
--- a/ClosedXML_Tests/Resource/Examples/Misc/CellValues.xlsx
+++ b/ClosedXML_Tests/Resource/Examples/Misc/CellValues.xlsx
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