diff --git a/src/slic3r/GUI/Jobs/SendJob.cpp b/src/slic3r/GUI/Jobs/SendJob.cpp
index 76af20cc1..636fe4d8e 100644
--- a/src/slic3r/GUI/Jobs/SendJob.cpp
+++ b/src/slic3r/GUI/Jobs/SendJob.cpp
@@ -381,7 +381,7 @@ void SendJob::process()
     else {
         BOOST_LOG_TRIVIAL(error) << "send_job: send ok.";
         wxCommandEvent* evt = new wxCommandEvent(m_print_job_completed_id);
-        evt->SetString(params.project_name);
+        evt->SetString(from_u8(params.project_name));
         wxQueueEvent(m_plater, evt);
         m_job_finished = true;
     }