diff --git a/speech_to_phrase/train_kaldi.py b/speech_to_phrase/train_kaldi.py
index 9608407..c1bcb3e 100644
--- a/speech_to_phrase/train_kaldi.py
+++ b/speech_to_phrase/train_kaldi.py
@@ -327,7 +327,7 @@ async def _create_fuzzy_fst(fst: Fst, train_dir: Path, tools: SpeechTools) -> No
             "--keep_isymbols=true",
             "--keep_osymbols=true",
             shlex.quote(str(text_fuzzy_fst_path)),
-            "-",
+            "/dev/stdout",
         ],
         [
             "fstarcsort",