diff --git a/frog/language_manager.py b/frog/language_manager.py
index d822c44..bc289db 100644
--- a/frog/language_manager.py
+++ b/frog/language_manager.py
@@ -193,7 +193,7 @@ class LanguageManager(GObject.GObject):
             os.mkdir(tessdata_dir)
 
         dest_path = os.path.join(tessdata_dir, 'eng.traineddata')
-        source_path = pathlib.Path('/app/share/appdata/eng.traineddata')
+        source_path = pathlib.Path('@out@/share/appdata/eng.traineddata')
         if os.path.exists(dest_path):
             return