diff --git a/.travis.yml b/.travis.yml
index 5383688..7fc3b7f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,7 +5,7 @@ node_js:
   - "10"
 deploy:
   provider: script
-  script: yarn install && yarn run deploy
+  script: yarn install && yarn format:check && yarn run deploy
   skip_cleanup: true
   on:
-    branch: master
\ No newline at end of file
+    branch: master
diff --git a/package.json b/package.json
index 9b30ddf..25273a0 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,8 @@
     "build": "gatsby build --prefix-paths",
     "develop": "gatsby develop",
     "deploy": "gatsby build --prefix-paths && gh-pages -d public -r https://$GH_TOKEN@github.com/EqualExperts/equalexperts-de.git",
-    "format": "prettier --write \"**/*.{js,jsx,json,md}\"",
+    "format:check": "prettier --check \"**/*.{js,jsx,json,md}\"",
+    "format:write": "prettier --write \"**/*.{js,jsx,json,md}\"",
     "start": "npm run develop",
     "serve": "gatsby serve",
     "clean": "gatsby clean",