diff --git a/ReadMe.md b/ReadMe.md
index 0cedd57..0442bf4 100644
--- a/ReadMe.md
+++ b/ReadMe.md
@@ -24,6 +24,7 @@ There is also a target `make package` which is fine for testing, but it will not
 ## Packaging
 ```
 $ sudo apt install libudev-dev libglib2.0-dev git-buildpackage debhelper
+$ rm -r build
 $ gbp buildpackage -uc -us
 ```
 A .deb package is created in the folder above the git repository.