diff --git a/README.md b/README.md
index c2ed20ec..370542a3 100644
--- a/README.md
+++ b/README.md
@@ -104,6 +104,7 @@ into the fork, run the following command in the fsfw folder first:
 
 ```sh
 git remote add upstream https://egit.irs.uni-stuttgart.de/fsfw/fsfw.git
+git remote update --prune
 ```
 
 After that, an update can be merged by running
@@ -113,4 +114,4 @@ git merge upstream/master
 ```
 
 Alternatively, changes from other upstreams (forks) and branches can be merged like that in
-the same way.
\ No newline at end of file
+the same way.