diff --git a/ClosedXML/ClosedXML/ClosedXML/Excel/XLWorkbook_Save.cs b/ClosedXML/ClosedXML/ClosedXML/Excel/XLWorkbook_Save.cs
index 880e8c4..a812034 100644
--- a/ClosedXML/ClosedXML/ClosedXML/Excel/XLWorkbook_Save.cs
+++ b/ClosedXML/ClosedXML/ClosedXML/Excel/XLWorkbook_Save.cs
@@ -3654,7 +3654,10 @@
                 worksheetPart.Worksheet.SheetViews.AppendChild(sheetView);
             }
 
-            sheetView.TabSelected = xlWorksheet.TabSelected;
+            if (xlWorksheet.TabSelected)
+                sheetView.TabSelected = true;
+            else
+                sheetView.TabSelected = null;
 
 
             if (xlWorksheet.ShowFormulas)
diff --git a/ClosedXML/ClosedXML/ClosedXML/Excel/XLWorksheet.cs b/ClosedXML/ClosedXML/ClosedXML/Excel/XLWorksheet.cs
index 65679bc..0a7be5c 100644
--- a/ClosedXML/ClosedXML/ClosedXML/Excel/XLWorksheet.cs
+++ b/ClosedXML/ClosedXML/ClosedXML/Excel/XLWorksheet.cs
@@ -655,7 +655,18 @@
             get { return DataValidations; }
         }
 
-        public XLWorksheetVisibility Visibility { get; set; }
+        private XLWorksheetVisibility _visibility;
+        public XLWorksheetVisibility Visibility
+        {
+            get { return _visibility; }
+            set
+            {
+                if (value != XLWorksheetVisibility.Visible)
+                    TabSelected = false;
+
+                _visibility = value;
+            }
+        }
 
         public IXLWorksheet Hide()
         {