diff --git a/.forgejo/workflows/ci.yaml b/.forgejo/workflows/ci.yaml
index 40decee5..df7222d4 100644
--- a/.forgejo/workflows/ci.yaml
+++ b/.forgejo/workflows/ci.yaml
@@ -21,6 +21,12 @@ jobs:
       - uses: actions/checkout@v4
       - run: nix-shell --run 'nix-unit ./deployment/data-model-test.nix'
 
+  check-mastodon:
+    runs-on: native
+    steps:
+      - uses: actions/checkout@v4
+      - run: nix build .#checks.x86_64-linux.test-mastodon-service -L
+
   check-peertube:
     runs-on: native
     steps: