diff --git a/CSharp/Libraries/UniversalEditor.UserInterface/UniversalEditor.UserInterface.csproj b/CSharp/Libraries/UniversalEditor.UserInterface/UniversalEditor.UserInterface.csproj
index f15438a6..105334c8 100644
--- a/CSharp/Libraries/UniversalEditor.UserInterface/UniversalEditor.UserInterface.csproj
+++ b/CSharp/Libraries/UniversalEditor.UserInterface/UniversalEditor.UserInterface.csproj
@@ -55,6 +55,7 @@
   <ItemGroup>
     <Compile Include="BookmarksManager.cs" />
     <Compile Include="CommandDisplayStyle.cs" />
+    <Compile Include="CommandShortcutKey.cs" />
     <Compile Include="Common\Reflection.cs" />
     <Compile Include="Engine.cs" />
     <Compile Include="HostApplication.cs" />