diff --git a/install/check_lacked_trans.py b/install/check_lacked_trans.py
index 57568b1a..027edab1 100644
--- a/install/check_lacked_trans.py
+++ b/install/check_lacked_trans.py
@@ -54,7 +54,12 @@ def main():
 
     dir = args.onionshare_dir
 
-    src = files_in(dir, 'onionshare') + files_in(dir, 'onionshare_gui') + files_in(dir, 'onionshare_gui/share_mode') + files_in(dir, 'onionshare_gui/receive_mode') + files_in(dir, 'install/scripts')
+    src = files_in(dir, 'onionshare') + \
+          files_in(dir, 'onionshare_gui') + \
+          files_in(dir, 'onionshare_gui/share_mode') + \
+          files_in(dir, 'onionshare_gui/receive_mode') + \
+          files_in(dir, 'install/scripts') + \
+          files_in(dir, 'test')
     pysrc = [p for p in src if p.endswith('.py')]
 
     lang_code = args.lang_code