diff --git a/server/README.md b/server/README.md
index ba8cc62502173ded2a7bc8dc450e6a003c46018c..7c3227ba6203868fa17258edd70754d90ecd422e 100644
--- a/server/README.md
+++ b/server/README.md
@@ -52,6 +52,7 @@ To build the binaries and get a Debian package:
 
 
 ```bash
+$ make submodules # Fetches submodule git repositories
 $ mkdir build
 $ cd build
 $ cmake ..