diff --git a/ClosedXML_Tests/ClosedXML_Tests.csproj b/ClosedXML_Tests/ClosedXML_Tests.csproj
index a2e2d37..a49a9c8 100644
--- a/ClosedXML_Tests/ClosedXML_Tests.csproj
+++ b/ClosedXML_Tests/ClosedXML_Tests.csproj
@@ -92,6 +92,7 @@
     <Compile Include="Excel\ConditionalFormats\ConditionalFormatCopyTests.cs" />
     <Compile Include="Excel\ConditionalFormats\ConditionalFormatsConsolidateTests.cs" />
     <Compile Include="Excel\ConditionalFormats\ConditionalFormatShiftTests.cs" />
+    <Compile Include="Excel\ConditionalFormats\ConditionalFormatTests.cs" />
     <Compile Include="Excel\ImageHandling\PictureTests.cs" />
     <Compile Include="Excel\Misc\HyperlinkTests.cs" />
     <Compile Include="Excel\Misc\SearchTests.cs" />
@@ -312,6 +313,8 @@
     <EmbeddedResource Include="Resource\Misc\EscapedApostrophe.xlsx" />
     <EmbeddedResource Include="Resource\StyleReferenceFiles\TransparentBackgroundFill\inputfile.xlsx" />
     <EmbeddedResource Include="Resource\StyleReferenceFiles\TransparentBackgroundFill\TransparentBackgroundFill.xlsx" />
+    <EmbeddedResource Include="Resource\StyleReferenceFiles\ConditionalFormattingOrder\inputfile.xlsx" />
+    <EmbeddedResource Include="Resource\StyleReferenceFiles\ConditionalFormattingOrder\ConditionalFormattingOrder.xlsx" />
   </ItemGroup>
   <ItemGroup>
     <EmbeddedResource Include="Resource\Images\ImageHandling.png" />
diff --git a/ClosedXML_Tests/Excel/ConditionalFormats/ConditionalFormatTests.cs b/ClosedXML_Tests/Excel/ConditionalFormats/ConditionalFormatTests.cs
new file mode 100644
index 0000000..983a5d6
--- /dev/null
+++ b/ClosedXML_Tests/Excel/ConditionalFormats/ConditionalFormatTests.cs
@@ -0,0 +1,31 @@
+using ClosedXML.Excel;
+using NUnit.Framework;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ClosedXML_Tests.Excel.ConditionalFormats
+{
+    [TestFixture]
+    public class ConditionalFormatTests
+    {
+        [Test]
+        public void MaintainConditionalFormattingOrder()
+        {
+            using (var stream = TestHelper.GetStreamFromResource(TestHelper.GetResourcePath(@"StyleReferenceFiles\ConditionalFormattingOrder\inputfile.xlsx")))
+            using (var ms = new MemoryStream())
+            {
+                TestHelper.CreateAndCompare(() =>
+                {
+                    var wb = new XLWorkbook(stream);
+                    wb.SaveAs(ms);
+                    return wb;
+                }, @"StyleReferenceFiles\ConditionalFormattingOrder\ConditionalFormattingOrder.xlsx");
+            }
+        }
+
+    }
+}
diff --git a/ClosedXML_Tests/Resource/StyleReferenceFiles/ConditionalFormattingOrder/ConditionalFormattingOrder.xlsx b/ClosedXML_Tests/Resource/StyleReferenceFiles/ConditionalFormattingOrder/ConditionalFormattingOrder.xlsx
new file mode 100644
index 0000000..5f27c54
--- /dev/null
+++ b/ClosedXML_Tests/Resource/StyleReferenceFiles/ConditionalFormattingOrder/ConditionalFormattingOrder.xlsx
Binary files differ
diff --git a/ClosedXML_Tests/Resource/StyleReferenceFiles/ConditionalFormattingOrder/inputfile.xlsx b/ClosedXML_Tests/Resource/StyleReferenceFiles/ConditionalFormattingOrder/inputfile.xlsx
new file mode 100644
index 0000000..28a7fcd
--- /dev/null
+++ b/ClosedXML_Tests/Resource/StyleReferenceFiles/ConditionalFormattingOrder/inputfile.xlsx
Binary files differ