diff --git a/src/f5_tts/infer/utils_infer.py b/src/f5_tts/infer/utils_infer.py
index bcf4efe..f3ebc33 100644
--- a/src/f5_tts/infer/utils_infer.py
+++ b/src/f5_tts/infer/utils_infer.py
@@ -32,6 +32,8 @@ from f5_tts.model.utils import (
 _ref_audio_cache = {}
 
 device = "cuda" if torch.cuda.is_available() else "mps" if torch.backends.mps.is_available() else "cpu"
+if device == "mps":
+    os.environ["PYTOCH_ENABLE_MPS_FALLBACK"] = "1"
 
 # -----------------------------------------