diff --git a/Jenkinsfile b/Jenkinsfile
index c3f314f..8aa5902 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -122,6 +122,7 @@ pipeline {
                         cd ..
                         rm -f index.yaml
                         rm -f tatort-*.tgz
+                        git rm -f tatort-*.tgz || true
 
                         echo "[INFO] Packaging Helm chart..."
                         cd tatort
@@ -132,7 +133,7 @@ pipeline {
                         helm repo index . --merge index.yaml || helm repo index .
 
                         echo "[INFO] Committing and pushing chart changes..."
-                        git config user.name "Jenkins"
+                        git config user.name "jenkins"
                         git config user.email "jenkins@innohub.local"
                         git add tatort/values.yaml tatort/Chart.yaml tatort-*.tgz index.yaml
                         git commit -m "ci: bump tatort-dev to ${newTag}, package chart + update index"