diff --git a/.forgejo/workflows/tofu-plan-k8s-wheatley.yaml b/.forgejo/workflows/tofu-plan-k8s-wheatley.yaml
index bf8f99d..03e0a17 100644
--- a/.forgejo/workflows/tofu-plan-k8s-wheatley.yaml
+++ b/.forgejo/workflows/tofu-plan-k8s-wheatley.yaml
@@ -22,8 +22,8 @@ jobs:
       AWS_S3_ENDPOINT: ${{ secrets.AWS_S3_ENDPOINT }}
       AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
       AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
-      TF_VAR_PROXMOX_ENDPOINT: ${{ secrets.PROXMOX_ENDPOINT }}
-      TF_VAR_PROXMOX_API_TOKEN: ${{ secrets.PROXMOX_API_TOKEN }}
+      TF_VAR_proxmox_endpoint: ${{ secrets.PROXMOX_ENDPOINT }}
+      TF_VAR_proxmox_api_token: ${{ secrets.PROXMOX_API_TOKEN }}
     steps:
     - uses: https://github.com/actions/checkout@v4
     - uses: https://github.com/opentofu/setup-opentofu@v1