diff --git a/FabAccessAPI/InjectableTcpRpcClient.cs b/FabAccessAPI/InjectableTcpRpcClient.cs
index 3676431..a004581 100644
--- a/FabAccessAPI/InjectableTcpRpcClient.cs
+++ b/FabAccessAPI/InjectableTcpRpcClient.cs
@@ -5,6 +5,8 @@ using Capnp.Rpc;
 
 namespace FabAccessAPI {
     class InjectableTcpRpcClient : TcpRpcClient {
-
+        public InjectableTcpRpcClient() {
+            throw new NotImplementedException();
+        }
     }
 }