diff --git a/.gitea/workflows/check-flake.yaml b/.gitea/workflows/check-flake.yaml
index b693baf..1c41452 100644
--- a/.gitea/workflows/check-flake.yaml
+++ b/.gitea/workflows/check-flake.yaml
@@ -2,11 +2,17 @@ name: Check Flake
 on: [push]
 jobs:
   check-flake:
-    runs-on: Nix
+    runs-on: ubuntu-latest
+    container:
+      image: ubuntu:latest
     steps:
+      - name: Install Nix
+        uses: https://github.com/cachix/install-nix-action@v20
+
       - name: Checkout the repository
         uses: actions/checkout@v3
         with:
           fetch-depth: 0
+
       - name: Check Flake
         run: nix flake check
\ No newline at end of file