diff --git a/.github/workflows/renovate.yaml b/.github/workflows/renovate.yaml
index 7f682268..dbfd2089 100644
--- a/.github/workflows/renovate.yaml
+++ b/.github/workflows/renovate.yaml
@@ -52,8 +52,8 @@ env:
   RENOVATE_USERNAME: "${{ secrets.BOT_USERNAME }}[bot]"
   RENOVATE_GIT_AUTHOR: "${{ secrets.BOT_USERNAME }} <${{ secrets.BOT_API_ID }}+${{ secrets.BOT_USERNAME }}[bot]@users.noreply.github.com>" # get $BOT_API_ID from `curl -s 'https://api.github.com/users/$(BOT_USERNAME)%5Bbot%5D' | yq .id`
   RENOVATE_DETECT_HOST_RULES_FROM_ENV: true # private registries/repos
-  DOCKER_GHCR_IO_USERNAME: "${{ github.actor }}"
-  DOCKER_GHCR_IO_PASSWORD: "${{ secrets.GITHUB_TOKEN }}"
+  RENOVATE_DOCKER_GHCR_IO_USERNAME: "${{ github.actor }}"
+  RENOVATE_DOCKER_GHCR_IO_PASSWORD: "${{ secrets.GITHUB_TOKEN }}"
   RENOVATE_REPOSITORY_CACHE: "enabled" # hopefully speed up Renovate
   GH_CACHE_DIR: "/tmp/renovate/cache/renovate/repository"