diff --git a/companion/src/mainwindow.cpp b/companion/src/mainwindow.cpp
index 292b408a7..0d4b5b9cd 100644
--- a/companion/src/mainwindow.cpp
+++ b/companion/src/mainwindow.cpp
@@ -359,6 +359,7 @@ void MainWindow::firmwareDownloadAccepted()
         break;
     }
     file.close();
+    file.remove();
     QMessageBox::critical(this, tr("Error"), errormsg);
     return;
   }