diff --git a/.github/workflows/build-and-deploy.yml b/.github/workflows/build-and-deploy.yml
index 33ec50ff..e1682316 100644
--- a/.github/workflows/build-and-deploy.yml
+++ b/.github/workflows/build-and-deploy.yml
@@ -25,7 +25,7 @@ jobs:
         run: |
           cd frontend
           touch .env
-          echo FIREBASE_CONFIG=${{ secrets.FIREBASE_CONFIG }} >> .env
+          echo APP_FIREBASE_CONFIG=${{ secrets.APP_FIREBASE_CONFIG }} >> .env
       - name: Create Backend .env
         run: |
           cd backend
@@ -33,7 +33,7 @@ jobs:
           echo MONGO_URI=${{ secrets.MONGO_URI }} >> .env
           echo SERVICE_ACCOUNT_KEY=${{ secrets.SERVICE_ACCOUNT_KEY }} >> .env
           echo APP_PORT=${{ secrets.APP_PORT }} >> .env
-          echo FIREBASE_CONFIG=${{ secrets.FIREBASE_CONFIG }} >> .env
+          echo APP_FIREBASE_CONFIG=${{ secrets.APP_FIREBASE_CONFIG }} >> .env
       - name: Build Frontend
         run: cd frontend && npm ci && npm run build
       - name: Build Backend
diff --git a/backend/src/config.ts b/backend/src/config.ts
index 60c981b9..add3c61a 100644
--- a/backend/src/config.ts
+++ b/backend/src/config.ts
@@ -19,7 +19,7 @@ const serviceAccountKey = throwIfUndefined(
 );
 
 const firebaseConfig = throwIfUndefined(
-  process.env.FIREBASE_CONFIG,
+  process.env.APP_FIREBASE_CONFIG,
   InternalError.NO_FIREBASE_CONFIG,
 );