diff --git a/templates/pottwal/renovate-cron.j2 b/templates/pottwal/renovate-cron.j2
index 70ad8b0..74a2874 100644
--- a/templates/pottwal/renovate-cron.j2
+++ b/templates/pottwal/renovate-cron.j2
@@ -3,6 +3,6 @@ docker run --rm \
 	-e RENOVATE_TOKEN={{ renovate_forgejo_pat }} \
 	-e RENOVATE_ENDPOINT=https://{{ forgejo_domain_name }}/api/v1 \
 	-e RENOVATE_PLATFORM=gitea \
-	-e RENOVATE_GIT_AUTHOR={{ renovate_git_user }} \
+	-e RENOVATE_GIT_AUTHOR={{ renovate_git_user | quote }} \
 	-e GITHUB_COM_TOKEN={{ renovate_github_pat }} \
 	{{ renovate_image }} --autodiscover
\ No newline at end of file