diff --git a/README.md b/README.md
index dc6bf91e..d9a52f1a 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ curl -F "audio=@audio.mp3" -F "transcript=@words.txt" "http://localhost:8765/tra
 If you've downloaded the source code you can also run the aligner as a command line program:
 
 ```bash
-git clone https://github.com/lowerquality/gentle.git
+git clone --recurse-submodules https://github.com/lowerquality/gentle.git
 cd gentle
 ./install.sh
 python3 align.py audio.mp3 words.txt