diff --git a/README.md b/README.md
index 70f2834..368b934 100644
--- a/README.md
+++ b/README.md
@@ -100,6 +100,7 @@ To work on OpenMapTiles you need Docker and Python.
 Build the tileset.
 
 ```bash
+git clone git@github.com:openmaptiles/openmaptiles.git
 # Build the imposm mapping, the tm2source project and collect all SQL scripts
 make
 # You can also run the build process inside a Docker container