diff --git a/ClosedXML/Excel/XLWorkbook_Save.cs b/ClosedXML/Excel/XLWorkbook_Save.cs
index 44dea9e..8f654fe 100644
--- a/ClosedXML/Excel/XLWorkbook_Save.cs
+++ b/ClosedXML/Excel/XLWorkbook_Save.cs
@@ -2405,6 +2405,8 @@
                 }
             }
 
+            var orderedPageFields = new SortedDictionary<int, PageField>();
+
             foreach (var xlpf in pt.Fields.Cast<XLPivotField>())
             {
                 var ptfi = pti.Fields[xlpf.SourceName];
@@ -2473,6 +2475,7 @@
                 else if (pt.ReportFilters.Contains(xlpf.SourceName))
                 {
                     labelOrFilterField = pt.ReportFilters.Get(xlpf.SourceName);
+                    var sortOrderIndex = pt.ReportFilters.IndexOf(labelOrFilterField);
 
                     location.ColumnsPerPage = 1;
                     location.RowPageCount = 1;
@@ -2481,7 +2484,7 @@
                     var pageField = new PageField
                     {
                         Hierarchy = -1,
-                        Field = pt.Fields.IndexOf(xlpf)
+                        Field = pt.Fields.IndexOf(xlpf),
                     };
 
                     if (labelOrFilterField.SelectedValues.Count == 1)
@@ -2511,7 +2514,7 @@
                                 .ToList();
                             var selectedValue = Convert.ToDouble(labelOrFilterField.SelectedValues.Single());
                             if (values.Contains(selectedValue))
-                                pageField.Item = Convert.ToUInt32(values.IndexOf(selectedValue));                            
+                                pageField.Item = Convert.ToUInt32(values.IndexOf(selectedValue));
                         }
                         else if (ptfi.DataType == XLDataType.Boolean)
                         {
@@ -2535,7 +2538,7 @@
                             throw new NotImplementedException();
                     }
 
-                    pageFields.AppendChild(pageField);
+                    orderedPageFields.Add(sortOrderIndex, pageField);
                 }
 
                 if ((labelOrFilterField?.SelectedValues?.Count ?? 0) > 1)
@@ -2715,6 +2718,7 @@
 
             if (pt.ReportFilters.Any())
             {
+                pageFields.Append(orderedPageFields.Values);
                 pageFields.Count = Convert.ToUInt32(pageFields.Count());
                 pivotTableDefinition.AppendChild(pageFields);
             }
@@ -2796,7 +2800,7 @@
             var pivotTableDefinitionExtensionList = new PivotTableDefinitionExtensionList();
 
             var pivotTableDefinitionExtension = new PivotTableDefinitionExtension { Uri = "{962EF5D1-5CA2-4c93-8EF4-DBF5C05439D2}" };
-            pivotTableDefinitionExtension.AddNamespaceDeclaration("x14","http://schemas.microsoft.com/office/spreadsheetml/2009/9/main");
+            pivotTableDefinitionExtension.AddNamespaceDeclaration("x14", "http://schemas.microsoft.com/office/spreadsheetml/2009/9/main");
 
             var pivotTableDefinition2 = new DocumentFormat.OpenXml.Office2010.Excel.PivotTableDefinition
             {
diff --git a/ClosedXML_Tests/Excel/PivotTables/XLPivotTableTests.cs b/ClosedXML_Tests/Excel/PivotTables/XLPivotTableTests.cs
index 5187f17..3f868b4 100644
--- a/ClosedXML_Tests/Excel/PivotTables/XLPivotTableTests.cs
+++ b/ClosedXML_Tests/Excel/PivotTables/XLPivotTableTests.cs
@@ -3,6 +3,7 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
+using System.Linq;
 
 namespace ClosedXML_Tests
 {
@@ -292,6 +293,76 @@
         }
 
         [Test]
+        public void MaintainPivotTablePageFieldOrder()
+        {
+            var pastries = new List<Pastry>
+            {
+                new Pastry("Croissant", 101, 150, 60.2, "", new DateTime(2016, 04, 21)),
+                new Pastry("Croissant", 101, 250, 50.42, "", new DateTime(2016, 05, 03)),
+                new Pastry("Croissant", 101, 134, 22.12, "", new DateTime(2016, 06, 24)),
+                new Pastry("Doughnut", 102, 250, 89.99, "", new DateTime(2017, 04, 23)),
+                new Pastry("Doughnut", 102, 225, 70, "", new DateTime(2016, 05, 24)),
+                new Pastry("Doughnut", 102, 210, 75.33, "", new DateTime(2016, 06, 02)),
+                new Pastry("Bearclaw", 103, 134, 10.24, "", new DateTime(2016, 04, 27)),
+                new Pastry("Bearclaw", 103, 184, 33.33, "", new DateTime(2016, 05, 20)),
+                new Pastry("Bearclaw", 103, 124, 25, "", new DateTime(2017, 06, 05)),
+                new Pastry("Danish", 104, 394, -20.24, "", null),
+                new Pastry("Danish", 104, 190, 60, "", new DateTime(2017, 05, 08)),
+                new Pastry("Danish", 104, 221, 24.76, "", new DateTime(2016, 06, 21)),
+
+                // Deliberately add different casings of same string to ensure pivot table doesn't duplicate it.
+                new Pastry("Scone", 105, 135, 0, "", new DateTime(2017, 04, 22)),
+                new Pastry("SconE", 105, 122, 5.19, "", new DateTime(2017, 05, 03)),
+                new Pastry("SCONE", 105, 243, 44.2, "", new DateTime(2017, 06, 14)),
+
+                // For ContainsBlank and integer rows/columns test
+                new Pastry("Scone", null, 255, 18.4, "", null),
+            };
+
+            using (var ms = new MemoryStream())
+            {
+                using (var wb = new XLWorkbook())
+                {
+                    var sheet = wb.Worksheets.Add("PastrySalesData");
+                    // Insert our list of pastry data into the "PastrySalesData" sheet at cell 1,1
+                    var table = sheet.Cell(1, 1).InsertTable(pastries, "PastrySalesData", true);
+                    sheet.Cell("F11").Style.Alignment.Horizontal = XLAlignmentHorizontalValues.Center;
+                    sheet.Columns().AdjustToContents();
+
+                    IXLWorksheet ptSheet;
+                    IXLPivotTable pt;
+
+                    // Add a new sheet for our pivot table
+                    ptSheet = wb.Worksheets.Add("pvt");
+
+                    // Create the pivot table, using the data from the "PastrySalesData" table
+                    pt = ptSheet.PivotTables.Add("PastryPivot", ptSheet.Cell(1, 1), table);
+
+                    pt.ReportFilters.Add("Month");
+                    pt.ReportFilters.Add("Name");
+
+                    pt.RowLabels.Add("BakeDate");
+                    pt.Values.Add("NumberOfOrders").SetSummaryFormula(XLPivotSummary.Sum);
+
+                    wb.SaveAs(ms);
+                }
+
+                ms.Seek(0, SeekOrigin.Begin);
+
+                using (var wb = new XLWorkbook(ms))
+                {
+                    var pageFields = wb.Worksheets.SelectMany(ws => ws.PivotTables)
+                        .First()
+                        .ReportFilters
+                        .ToArray();
+
+                    Assert.AreEqual("Month", pageFields[0].SourceName);
+                    Assert.AreEqual("Name", pageFields[1].SourceName);
+                }
+            }
+        }
+
+        [Test]
         public void ClearPivotTableTenderedTange()
         {
             // https://github.com/ClosedXML/ClosedXML/pull/856