diff --git a/plugins/RemovableDriveOutputDevice/RemovableDriveOutputDevice.py b/plugins/RemovableDriveOutputDevice/RemovableDriveOutputDevice.py
index a9a0666d9c..2ddf8aa334 100644
--- a/plugins/RemovableDriveOutputDevice/RemovableDriveOutputDevice.py
+++ b/plugins/RemovableDriveOutputDevice/RemovableDriveOutputDevice.py
@@ -101,7 +101,8 @@ class RemovableDriveOutputDevice(OutputDevice):
                 self._stream = open(file_name, "wt", buffering = 1, encoding = "utf-8")
             else: #Binary mode.
                 self._stream = open(file_name, "wb", buffering = 1)
-            job = WriteFileJob(writer, self._stream, nodes, preferred_format["mode"])
+            writer_args = {"mime_type": preferred_format["mime_type"]}
+            job = WriteFileJob(writer, self._stream, nodes, preferred_format["mode"], writer_args)
             job.setFileName(file_name)
             job.progress.connect(self._onProgress)
             job.finished.connect(self._onFinished)