diff --git a/.github/workflows/wiki_test.yml b/.github/workflows/wiki_test.yml
index b2976e311..7e24094d7 100644
--- a/.github/workflows/wiki_test.yml
+++ b/.github/workflows/wiki_test.yml
@@ -32,6 +32,7 @@ jobs:
           mkdir -p ~/.ssh
           echo "$SSH_PRIVATE_KEY" > ~/.ssh/id_rsa
           chmod 600 ~/.ssh/id_rsa
+          ssh-keyscan -H rettichlp.de >> ~/.ssh/known_hosts
       - name: Deploy to server
         run: scp -r site/ ssh@rettichlp.de:/unicacityaddon_wiki
       - name: Execute update script