diff --git a/docs/build.md b/docs/build.md
index 45cbfdf9..f7e10cdd 100644
--- a/docs/build.md
+++ b/docs/build.md
@@ -12,7 +12,7 @@ cd trezor-core
 If are building the already cloned the project, don't forget to use the following to refresh the submodules:
 
 ```sh
-git submodule update --init --recursive
+make vendor
 ```
 
 ### Linux