diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index 09765da..7ecfb6d 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -30,10 +30,10 @@ jobs:
 
       - name: Login to Registry using user=${{ gitea.actor }}/pass=${{ gitea.token }}
         # Gitea automatically provides these secrets:
-        # - `gitea.actor` - The username of the user who triggered the workflow
-        # - `gitea.token` - An automatically generated token with appropriate permissions
+        # - `REGISTRY_USERNAME` - defined as action variable in repo settings
+        # - `REGISTRY_TOKEN` - defined as action secret in repo settings, created in user settings as personal access token with `write:packages` scope
         run: |
-          echo "${{ gitea.token }}" | docker login registry.budakova.org -u "${{ gitea.actor }}" --password-stdin
+          echo "${{ REGISTRY_TOKEN }}" | docker login registry.budakova.org -u "${{ REGISTRY_USERNAME }}" --password-stdin
 
       - name: Build and push Docker image
         uses: docker/build-push-action@v5