diff --git a/.github/workflows/actions.yml b/.github/workflows/actions.yml
index 29b4029..78a6653 100644
--- a/.github/workflows/actions.yml
+++ b/.github/workflows/actions.yml
@@ -20,7 +20,7 @@ jobs:
           node-version: 18.x
       - run: cd js && npm install && npm run build
       - run: echo "VITE_GIT_SHA=$(git rev-parse --short HEAD)" >> app/.env
-      - run: cd app && npm install && ./node_modules/.bin/tsc && ./node_modules/.bin/vite build --base=/PMTiles/
+      - run: cd app && npm install && ./node_modules/.bin/tsc && npm run prettier-check && ./node_modules/.bin/vite build --base=/PMTiles/
       - run: cd serverless/aws && npm install && npm run build && cp dist/lambda_function.zip ../../app/dist
       - run: cd serverless/cloudflare && cp wrangler.toml.example wrangler.toml && npm install && npm run build && cp dist/index.js ../../app/dist
       - run: cd spec/v3 && cp *.pmtiles ../../app/dist