diff --git a/README.md b/README.md
index 2efe3c14e1b8c725cd430a14bdd1c2a78826db2e..8daba1a408c2dc4c36e4bfcaf65ee5ae183d0298 100644
--- a/README.md
+++ b/README.md
@@ -51,7 +51,7 @@ Standard ESP-IDF project machinery present and working. You can run `idf.py` fro
 Prepare submodules:
 
 ```
-$ make -C micropython/ports/esp32 submodules
+git submodule update --init --recursive
 ```
 
 Build normally with idf.py: