diff --git a/essentials-framework/Essentials DM/Essentials_DM/PepperDash_Essentials_DM.csproj b/essentials-framework/Essentials DM/Essentials_DM/PepperDash_Essentials_DM.csproj
index b1ea1b42..63b20c98 100644
--- a/essentials-framework/Essentials DM/Essentials_DM/PepperDash_Essentials_DM.csproj	
+++ b/essentials-framework/Essentials DM/Essentials_DM/PepperDash_Essentials_DM.csproj	
@@ -108,6 +108,7 @@
     <Compile Include="Endpoints\Transmitters\DmTx4kz202CController.cs" />
     <Compile Include="Endpoints\Transmitters\DmTx201SController.cs" />
     <Compile Include="Endpoints\Transmitters\DmTx4kz100Controller.cs" />
+    <Compile Include="Endpoints\Transmitters\HDBaseTTxController.cs" />
     <Compile Include="Endpoints\Transmitters\TxInterfaces.cs" />
     <Compile Include="IDmSwitch.cs" />
     <Compile Include="Config\DmpsRoutingConfig.cs" />