diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 239ee9e..37e9e3e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
       - uses: actions/setup-node@v4
         with:
           node-version: 20
-      - run: git clone https://github.com/rrthomas/topiary ~/topiary && cd ~/topiary && cargo install --path topiary-cli
+      - run: git clone https://github.com/rrthomas/topiary ~/topiary && cd ~/topiary && cargo install --path topiary-cli && topiary format ../ursa/src/ursa/prelude.ursa
       - run: |
           npm install
           npm run test-all