diff --git a/src/mega/mega.py b/src/mega/mega.py
index 906b0db..5748a61 100644
--- a/src/mega/mega.py
+++ b/src/mega/mega.py
@@ -742,6 +742,7 @@ def _download_file(self,
                     file_mac[2] ^ file_mac[3]) != meta_mac:
                 raise ValueError('Mismatched mac')
             output_path = Path(dest_path + file_name)
+            temp_output_file.close()
             shutil.move(temp_output_file.name, output_path)
             return output_path