diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index 4489eb2893..10823010b9 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -7,18 +7,20 @@ jobs:
     runs-on: ubuntu-latest
     env:
       REGISTRY: ghcr.io
+      IMAGE: doldecomp/build-melee:main
     steps:
     - uses: actions/checkout@v4
     - name: Log into container registry
       uses: docker/login-action@v2
       with:
-        registry: ghcr.io
+        registry: ${{ env.REGISTRY }}
         username: ${{ github.actor }}
         password: ${{ secrets.GITHUB_TOKEN }}
     - name: Grab Melee DOL
       run: |
-        docker pull "ghcr.io/doldecomp/build-melee:main"
-        container_id=$(docker create "ghcr.io/doldecomp/build-melee:main")
+        image="$REGISTRY/$IMAGE"
+        docker pull "$image"
+        container_id=$(docker create "$image")
         docker cp "$container_id":/orig .
     - uses: cachix/install-nix-action@v25
       with: