diff --git a/src/slic3r/GUI/PrintHostDialogs.cpp b/src/slic3r/GUI/PrintHostDialogs.cpp
index ff82883ff..d99584c1e 100644
--- a/src/slic3r/GUI/PrintHostDialogs.cpp
+++ b/src/slic3r/GUI/PrintHostDialogs.cpp
@@ -354,7 +354,7 @@ void PrintHostQueueDialog::on_progress(Event &evt)
         wxVariant nm, hst;
         job_list->GetValue(nm, evt.job_id, COL_FILENAME);
         job_list->GetValue(hst, evt.job_id, COL_HOST);
-        wxGetApp().notification_manager()->set_upload_job_notification_percentage(evt.job_id + 1, boost::nowide::narrow(nm.GetString()), boost::nowide::narrow(hst.GetString()), 100 / evt.progress);
+        wxGetApp().notification_manager()->set_upload_job_notification_percentage(evt.job_id + 1, boost::nowide::narrow(nm.GetString()), boost::nowide::narrow(hst.GetString()), evt.progress / 100.f);
     }
 }