diff --git a/README.md b/README.md
index 534485f..69630fd 100644
--- a/README.md
+++ b/README.md
@@ -12,8 +12,9 @@ Inspired by and based on [g810-led](https://github.com/MatMoul/g810-led).
 ## Installation
 
 1) Clone the repository: `git clone https://github.com/smasty/g203-led.git`
-2) Install dependencies: `pip install -r requirements.txt`
-3) Run (as root): `sudo ./g203-led.py solid 00FFFF`
+2) Prepare _virtualenv_: `virtualenv ./env`
+3) Install dependencies: `env/bin/pip install -r requirements.txt`
+4) Run (as root): `sudo ./g203-led.py solid 00FFFF`
 
 ## Usage