diff --git a/RhSolutions.AddIn/AddIn/RhSolutionsAddIn.cs b/RhSolutions.AddIn/AddIn/RhSolutionsAddIn.cs
index 4a6f16a..0e3ef77 100644
--- a/RhSolutions.AddIn/AddIn/RhSolutionsAddIn.cs
+++ b/RhSolutions.AddIn/AddIn/RhSolutionsAddIn.cs
@@ -36,6 +36,8 @@ public sealed class RhSolutionsAddIn : IExcelAddIn
         Services.AddSingleton<ReaderFactory>();
         Services.AddTransient<ExcelReader>()
             .AddTransient<IReader, ExcelReader>(s => s.GetService<ExcelReader>());
+        Services.AddTransient<MagicReader>()
+            .AddTransient<IReader, MagicReader>(s => s.GetService<MagicReader>());
 
         Services.AddSingleton<ToolFactory>();