diff --git a/readme.md b/readme.md
index 2b8e1a0..7c4236c 100644
--- a/readme.md
+++ b/readme.md
@@ -21,7 +21,7 @@ Execute `gyropgsc-$OS`, according to your operating system.
 * go >1.15
 
 ### Build Steps
-1. clone repository
+1. `git clone --recursive https://git.timovolkmann.de/tvolkmann/gyrogpsc.git`
 2. run `go install` from project root
 3. run `go run cmd/server/server.go` from project root to start application or just `go build cmd/server/server.go` for building it only