diff --git a/.github/workflows/cpp.yml b/.github/workflows/cpp.yml
index 555a8d02f162..aae79f330042 100644
--- a/.github/workflows/cpp.yml
+++ b/.github/workflows/cpp.yml
@@ -69,7 +69,7 @@ jobs:
         cmake --build build
         pip install ../..
         timeout 3m flower-superlink --insecure &
-        sleep 3
+        sleep 10
         timeout 2m build/flwr_client 0 127.0.0.1:9092 &
         sleep 3
         timeout 2m build/flwr_client 1 127.0.0.1:9092 &
diff --git a/src/cc/flwr/src/communicator.cc b/src/cc/flwr/src/communicator.cc
index 8701c072fbdb..2ad05127956f 100644
--- a/src/cc/flwr/src/communicator.cc
+++ b/src/cc/flwr/src/communicator.cc
@@ -36,7 +36,7 @@ configure_task_res(const flwr::proto::TaskRes &task_res,
   flwr::proto::TaskRes result_task_res;
 
   // Setting scalar fields
-  result_task_res.set_task_id(ref_task_ins.task_id());
+  result_task_res.set_task_id("");
   result_task_res.set_group_id(ref_task_ins.group_id());
   result_task_res.set_run_id(ref_task_ins.run_id());