diff --git a/README.md b/README.md
index 8da668d..1390f58 100644
--- a/README.md
+++ b/README.md
@@ -109,6 +109,7 @@ pip install .
 ```
 
 Be aware that DeepSpeed is disabled on Apple Silicon since it does not work. The flag `--use_deepspeed` is ignored.
+You may need to prepend `PYTORCH_ENABLE_MPS_FALLBACK=1` to the commands below to make them work since MPS does not support all the operations in Pytorch.
 
 
 ### do_tts.py