diff --git a/README.md b/README.md
index 51d1efe..65b4383 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ This repository contains the firmware for the `keyboardeeroy_jenkins` keyboard.
 
 1. Init submodules and build firmware
     ```bash
-    $ git submodule update --init
+    $ git submodule update --init --recursive
     $ ./build.sh
     ```
 2. Back up current firmware (optional)