diff --git a/.gitea/workflows/build-docs.yml b/.gitea/workflows/build-docs.yml
index 439b4d7..a1c916d 100644
--- a/.gitea/workflows/build-docs.yml
+++ b/.gitea/workflows/build-docs.yml
@@ -20,6 +20,7 @@ jobs:
         uses: actions/latex@v2
         with:
           args: "-latexoption=-file-line-error -latexoption=-interaction=nonstopmode docs/docs.tex"
+          image: ${{ vars.REGISTRY_NAME }}/latex-build
       - name: Upload compiled docs
         uses: actions/git-auto-commit-action@v7
         with: