diff --git a/README.md b/README.md
index c75392c..a3c180c 100644
--- a/README.md
+++ b/README.md
@@ -10,13 +10,13 @@ As you cannot run a forgejo runner with `nixos/nix` due to it not having `node`
   IMG_NAME="nix"
   nix build --extra-experimental-features "flakes nix-command" .
   docker load -i result
-  docker image tag nix "$URL/$USERNAME/$IMG_NAME:latest"
+  docker image tag "$IMG_NAME" "$URL/$USERNAME/$IMG_NAME:latest"
   docker login "https://$URL"
   docker push "$URL/$USERNAME/$IMG_NAME"
   rm result # don't forget to cleanup the GC root
 
   # I also tag with the date, but this might be unneeded
-  docker image tag nix "$URL/$USERNAME/$IMG_NAME:latest$(date --iso-8601)"
+  docker image tag "$IMG_NAME" "$URL/$USERNAME/$IMG_NAME:latest$(date --iso-8601)"
   docker push "$URL/$USERNAME/$IMG_NAME"
 ```