diff --git a/RhSolutions.Tests/CanWriteProducts.cs b/RhSolutions.Tests/CanWriteProducts.cs
index 9280d5f..c89bb71 100644
--- a/RhSolutions.Tests/CanWriteProducts.cs
+++ b/RhSolutions.Tests/CanWriteProducts.cs
@@ -67,7 +67,24 @@ public class CanWriteProducts : IDisposable
         Assert.Contains("15555551555", targetSheet.Range["C4"].Value2);
     }
 
+    [ExcelFact(Workbook = @"..\..\..\TestWorkbooks\TestSpecificationReplaced.xlsx")]
+    public void CanWriteReplaced()
+    {
+        Worksheet sourceSheet = Util.Workbook.Worksheets[1];
+        RhSolutionsAddIn.Configuration.SetPriceListPath(Path.GetFullPath(@"..\..\..\TestWorkbooks\TargetSpecificationReplaced.xlsx"));
+        var products = _reader.ReadProducts(new[] { sourceSheet });
+        var _writer = new ExcelWriter(Util.Application, RhSolutionsAddIn.Configuration);
+        _writer.WriteProducts(products);
+        Worksheet targetSheet = Util.Application.ActiveWindow.ActiveSheet;
+        var targetProducts = _reader.ReadProducts(new[] { targetSheet });
 
+        Assert.Equal("TestSpecificationReplaced", products.First().Item1);
+        Assert.Equal("TargetSpecificationReplaced", targetProducts.First().Item1);
+        Assert.Single(targetProducts.First().Item2);
+        var product = targetProducts.First().Item2.First().Key;
+        Assert.Contains("Молот Тора", product.Name);
+        Assert.Contains("15555551555", product.Name);
+    }
 
     public void Dispose()
     {
diff --git a/RhSolutions.Tests/TestWorkbooks/TargetSpecificationReplaced.xlsx b/RhSolutions.Tests/TestWorkbooks/TargetSpecificationReplaced.xlsx
new file mode 100644
index 0000000..af7d045
Binary files /dev/null and b/RhSolutions.Tests/TestWorkbooks/TargetSpecificationReplaced.xlsx differ
diff --git a/RhSolutions.Tests/TestWorkbooks/TestSpecificationReplaced.xlsx b/RhSolutions.Tests/TestWorkbooks/TestSpecificationReplaced.xlsx
new file mode 100644
index 0000000..7900714
Binary files /dev/null and b/RhSolutions.Tests/TestWorkbooks/TestSpecificationReplaced.xlsx differ