diff --git a/src/actsim_agent/worker.cpp b/src/actsim_agent/worker.cpp
index c3b3fde..9fef017 100644
--- a/src/actsim_agent/worker.cpp
+++ b/src/actsim_agent/worker.cpp
@@ -120,7 +120,7 @@ std::unique_ptr<OutputType> Worker::perform_task(std::unique_ptr<InputType>& tas
     if (task->get_content().size() != 1) {
         std::cerr << "Error: Simulation configuration in worker thread has more than one testcases to run!" << std::endl;
         finished = false;
-        return std::make_unique<OutputType>();
+        return std::make_unique<OutputType>(task->id, task->source_pass, task->target_artifact, task->design, task->source_config);
     }
 
     auto testcase = task->get_content().front();