diff --git a/README.md b/README.md
index 0e0b69b..95c5a8f 100644
--- a/README.md
+++ b/README.md
@@ -54,7 +54,7 @@ shell, and an installed Mono framework.
 First, clone the mono-debug project:
 
 ```bash
-$ git clone https://github.com/microsoft/vscode-mono-debug
+$ git clone --recursive https://github.com/microsoft/vscode-mono-debug
 ```
 
 To build the extension vsix, run: