diff --git a/egs/librispeech/ASR/local/compile_lg.py b/egs/librispeech/ASR/local/compile_lg.py
index c8ab31729..45c4b7f5f 100644
--- a/egs/librispeech/ASR/local/compile_lg.py
+++ b/egs/librispeech/ASR/local/compile_lg.py
@@ -88,7 +88,7 @@ def compile_LG(lang_dir: str) -> k2.Fsa:
     logging.info(type(LG.aux_labels))
     logging.info("Determinizing LG")
 
-    LG = k2.determinize(LG)
+    LG = k2.determinize(LG, k2.DeterminizeWeightPushingType.kLogWeightPushing)
     logging.info(type(LG.aux_labels))
 
     logging.info("Connecting LG after k2.determinize")