diff --git a/.tx/transifex.yaml b/.tx/transifex.yaml
index 701111c2..b06ab308 100644
--- a/.tx/transifex.yaml
+++ b/.tx/transifex.yaml
@@ -1,6 +1,7 @@
 filters:
   - filter_type: file
     source_file: src/loader/translations/trayplugin-loader.ts
+    file_format: QT
     source_language: en_US
     translation_files_expression: src/loader/translations/trayplugin-loader_<lang>.ts
   - filter_type: file