diff --git a/ClosedXML_Tests/ClosedXML_Tests.csproj b/ClosedXML_Tests/ClosedXML_Tests.csproj
index 89a0eff..0e23f5b 100644
--- a/ClosedXML_Tests/ClosedXML_Tests.csproj
+++ b/ClosedXML_Tests/ClosedXML_Tests.csproj
@@ -251,6 +251,7 @@
     <EmbeddedResource Include="Resource\Examples\ConditionalFormatting\CFIconSet.xlsx" />
     <EmbeddedResource Include="Resource\Examples\Ranges\SelectingRanges.xlsx" />
     <EmbeddedResource Include="Resource\Misc\EmptyTable.xlsx" />
+    <EmbeddedResource Include="Resource\Misc\FileWithMismatchSheetIdAndRelId.xlsx" />
     <EmbeddedResource Include="Resource\Misc\TableWithCustomTheme.xlsx" />
     <EmbeddedResource Include="Resource\Examples\Ranges\AddingRowToTables.xlsx" />
     <EmbeddedResource Include="Resource\Examples\Misc\RightToLeft.xlsx" />
diff --git a/ClosedXML_Tests/Excel/Loading/LoadingTests.cs b/ClosedXML_Tests/Excel/Loading/LoadingTests.cs
index 3568007..628ce15 100644
--- a/ClosedXML_Tests/Excel/Loading/LoadingTests.cs
+++ b/ClosedXML_Tests/Excel/Loading/LoadingTests.cs
@@ -40,5 +40,21 @@
                 table.DataRange.InsertRowsBelow(5);
             }
         }
+
+        [Test]
+        public void CanLoadAndSaveFileWithMismatchingSheetIdAndRelId()
+        {
+            // This file's workbook.xml contains:
+            // <x:sheet name="Data" sheetId="13" r:id="rId1" />
+            // and the mismatch between the sheetId and r:id can create problems.
+            using (var stream = TestHelper.GetStreamFromResource(TestHelper.GetResourcePath(@"Misc\FileWithMismatchSheetIdAndRelId.xlsx")))
+            using (var wb = new XLWorkbook(stream))
+            {
+                using (var ms = new MemoryStream())
+                {
+                    wb.SaveAs(ms, true);
+                }
+            }
+        }
     }
 }
diff --git a/ClosedXML_Tests/Resource/Misc/FileWithMismatchSheetIdAndRelId.xlsx b/ClosedXML_Tests/Resource/Misc/FileWithMismatchSheetIdAndRelId.xlsx
new file mode 100644
index 0000000..23c9a88
--- /dev/null
+++ b/ClosedXML_Tests/Resource/Misc/FileWithMismatchSheetIdAndRelId.xlsx
Binary files differ