diff --git a/README.md b/README.md
index 355dc3a7f..685041baa 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,14 @@ The following description applies to Ubuntu and similar debian based Linux distr
 ## Prerequisites
 These are the things you need to do/install before you can get started working on Uni2work.
 
+### Install german locale
+You will need to install the german locale at compile time.
+
+Install:
+
+- Edit `/etc/locale.gen` as root and uncomment/add the line `de_DE.UTF-8 UTF-8`
+- Save the file and run `sudo locale-gen`
+
 ### Clone repository
 Clone this repository and navigate into it
 ```sh