diff --git a/qutebrowser/browser/downloads.py b/qutebrowser/browser/downloads.py
index 85c957fb9..6cbeff434 100644
--- a/qutebrowser/browser/downloads.py
+++ b/qutebrowser/browser/downloads.py
@@ -412,6 +412,8 @@ class DownloadItem(QObject):
         self.reply = None
         self.done = True
         self.data_changed.emit()
+        if self.fileobj is not None:
+            self.fileobj.close()
 
     def init_reply(self, reply):
         """Set a new reply and connect its signals.