diff --git a/README.md b/README.md
index 8441f971..2abad27b 100644
--- a/README.md
+++ b/README.md
@@ -66,6 +66,7 @@ For details, please follow instruction on [official docs](http://pcraster.geo.uu
 Now your environment should be set up to run lisflood. Try with a prepared settings file for one of the two test catchments:
 
 ```bash
+mkdir tests/data/LF_ETRS89_UseCase/out
 python src/lisf1.py tests/data/LF_ETRS89_UseCase/settings/cold.xml
 ```