diff --git a/DataCenter_Windows/WindowsDataCenter/WindowsDataCenter/WindowsDataCenter.csproj b/DataCenter_Windows/WindowsDataCenter/WindowsDataCenter/WindowsDataCenter.csproj
index 2ede947..f80feea 100644
--- a/DataCenter_Windows/WindowsDataCenter/WindowsDataCenter/WindowsDataCenter.csproj
+++ b/DataCenter_Windows/WindowsDataCenter/WindowsDataCenter/WindowsDataCenter.csproj
@@ -150,6 +150,7 @@
     <Compile Include="Controllers\ApplicationController.cs" />
     <Compile Include="Controllers\CardsController.cs" />
     <Compile Include="Configuration.cs" />
+    <Compile Include="Controllers\GroupController.cs" />
     <Compile Include="Controllers\TimelogController.cs" />
     <Compile Include="DefaultComponents\DefaultLogger.cs" />
     <Compile Include="Helpers\CacheControlAttribute.cs" />