diff --git a/.forgejo/workflows/flake-check.yml b/.forgejo/workflows/flake-check.yml
index 52f6e21..de5d67f 100644
--- a/.forgejo/workflows/flake-check.yml
+++ b/.forgejo/workflows/flake-check.yml
@@ -12,4 +12,4 @@ jobs:
       - name: Check Nix flake inputs
         uses: https://github.com/DeterminateSystems/flake-checker-action@v5
       - name: Install Nix
-        uses: DeterminateSystems/nix-installer-action@v4
+        uses: https://github.com/DeterminateSystems/nix-installer-action@v4