diff --git a/src/frontend/apps/impress/.gitignore b/src/frontend/apps/impress/.gitignore
index fd3dbb57..bad92b65 100644
--- a/src/frontend/apps/impress/.gitignore
+++ b/src/frontend/apps/impress/.gitignore
@@ -33,4 +33,3 @@ yarn-error.log*
 
 # typescript
 *.tsbuildinfo
-next-env.d.ts
diff --git a/src/frontend/apps/impress/.prettierignore b/src/frontend/apps/impress/.prettierignore
new file mode 100644
index 00000000..f76c765b
--- /dev/null
+++ b/src/frontend/apps/impress/.prettierignore
@@ -0,0 +1 @@
+next-env.d.ts
diff --git a/src/frontend/apps/impress/next-env.d.ts b/src/frontend/apps/impress/next-env.d.ts
new file mode 100644
index 00000000..62b8a52d
--- /dev/null
+++ b/src/frontend/apps/impress/next-env.d.ts
@@ -0,0 +1,5 @@
+/// <reference types="next" />
+/// <reference types="next/image-types/global" />
+
+// NOTE: This file should not be edited
+// see https://nextjs.org/docs/basic-features/typescript for more information.
diff --git a/src/frontend/apps/impress/package.json b/src/frontend/apps/impress/package.json
index 8443083c..a8d9eb9d 100644
--- a/src/frontend/apps/impress/package.json
+++ b/src/frontend/apps/impress/package.json
@@ -8,7 +8,7 @@
     "build:ci": "cp .env.development .env.local && yarn build",
     "build-theme": "cunningham -g css,ts -o src/cunningham --utility-classes",
     "start": "npx -y serve@latest out",
-    "lint": "next lint",
+    "lint": "tsc --noEmit && next lint",
     "prettier": "prettier --write .",
     "stylelint": "stylelint \"**/*.css\"",
     "test": "jest",
diff --git a/src/frontend/apps/impress/src/api/__tests__/fetchApi.test.tsx b/src/frontend/apps/impress/src/api/__tests__/fetchApi.test.tsx
index 72077d6e..d08d86d1 100644
--- a/src/frontend/apps/impress/src/api/__tests__/fetchApi.test.tsx
+++ b/src/frontend/apps/impress/src/api/__tests__/fetchApi.test.tsx
@@ -43,7 +43,7 @@ describe('fetchAPI', () => {
       },
     });
 
-    useAuthStore.setState({ userData: { email: 'test@test.com' } });
+    useAuthStore.setState({ userData: { email: 'test@test.com', id: '1234' } });
 
     fetchMock.mock('http://some.api.url/api/v1.0/some/url', 401);