diff --git a/tools/infer/infer-pm-index256.py b/tools/infer/infer-pm-index256.py
index 92be320..efaaa81 100644
--- a/tools/infer/infer-pm-index256.py
+++ b/tools/infer/infer-pm-index256.py
@@ -22,7 +22,7 @@ from fairseq import checkpoint_utils
 
 # from models import SynthesizerTrn256#hifigan_nonsf
 # from lib.infer_pack.models import SynthesizerTrn256NSF as SynthesizerTrn256#hifigan_nsf
-from lib.infer_pack.models import (
+from infer.lib.infer_pack.models import (
     SynthesizerTrnMs256NSFsid as SynthesizerTrn256,
 )  # hifigan_nsf
 from scipy.io import wavfile