diff --git a/README.md b/README.md
index 89fcf74..95e36ff 100644
--- a/README.md
+++ b/README.md
@@ -19,6 +19,7 @@ Select that version and then create an isolated [gemset](https://rvm.io/gemsets/
 ```bash
 $ rvm use 2.4.2
 $ rvm gemset create autonomic
+$ rvm gemset use autonomic
 ```
 
 Then you can get your Ruby dependencies installed with: