diff --git a/README.rst b/README.rst
index 7c198e625..f1343407e 100644
--- a/README.rst
+++ b/README.rst
@@ -61,6 +61,7 @@ Check out the code from GitHub::
 
     git clone git://github.com/spesmilo/electrum.git
     cd electrum
+    git submodule update --init
 
 Run install (this should install dependencies)::