diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c163ebc..579ad87 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -47,4 +47,4 @@ jobs:
         run: yarn run lint
 
       - name: Run prettier
-        run: yarn run prettier
+        run: yarn run prettier:check
diff --git a/package.json b/package.json
index 47b8ad8..bffb4b1 100644
--- a/package.json
+++ b/package.json
@@ -9,6 +9,7 @@
     "start": "next start",
     "lint": "next lint",
     "prettier": "npx prettier --config ./.prettierrc --write **/*.{ts,tsx}",
+    "prettier:check": "npx prettier --config ./.prettierrc --check **/*.{ts,tsx}",
     "test": "jest",
     "test:watch": "jest --watch"
   },
diff --git a/src/app/problems/[qid]/general-info/util.ts b/src/app/problems/[qid]/general-info/util.ts
index eba2880..82502fd 100644
--- a/src/app/problems/[qid]/general-info/util.ts
+++ b/src/app/problems/[qid]/general-info/util.ts
@@ -1,14 +1,17 @@
 import { Dispatch, MouseEvent, SetStateAction } from 'react';
 
-export const removeChip = (event: MouseEvent<HTMLElement, MouseEvent>, setHook: Dispatch<SetStateAction<string[]>>) => {
-    if (event.currentTarget.tagName === 'PATH') {
-        console.info('Path');
-        return;
-    }
-    
-    const contest = event.currentTarget.parentNode?.firstElementChild?.textContent;
-    if (!contest) {
-        return;
-    }
-    setHook((contests) => contests.filter((c) => c !== contest));
-};
\ No newline at end of file
+export const removeChip = (
+  event: MouseEvent<HTMLElement, MouseEvent>,
+  setHook: Dispatch<SetStateAction<string[]>>,
+) => {
+  if (event.currentTarget.tagName === 'PATH') {
+    console.info('Path');
+    return;
+  }
+
+  const contest = event.currentTarget.parentNode?.firstElementChild?.textContent;
+  if (!contest) {
+    return;
+  }
+  setHook((contests) => contests.filter((c) => c !== contest));
+};