diff --git a/ClosedXML/ClosedXML/ClosedXML/Excel/XLWorkbook_Save.cs b/ClosedXML/ClosedXML/ClosedXML/Excel/XLWorkbook_Save.cs
index 7b935e1..1656fe2 100644
--- a/ClosedXML/ClosedXML/ClosedXML/Excel/XLWorkbook_Save.cs
+++ b/ClosedXML/ClosedXML/ClosedXML/Excel/XLWorkbook_Save.cs
@@ -3174,7 +3174,7 @@
             var allSharedNumberFormats = new Dictionary<IXLNumberFormat, NumberFormatInfo>();
             foreach (var numberFormatInfo in sharedNumberFormats.Values)
             {
-                var numberingFormatId = 0;
+                var numberingFormatId = 164;
                 var foundOne = false;
                 foreach (NumberingFormat nf in workbookStylesPart.Stylesheet.NumberingFormats)
                 {