diff --git a/utils/firebaseConfig.js b/utils/firebaseConfig.js
index 27fc730..eed524a 100644
--- a/utils/firebaseConfig.js
+++ b/utils/firebaseConfig.js
@@ -10,10 +10,12 @@ firebaseAdmin.initializeApp({
     type: process.env.FIREBASE_ADMIN_SA_TYPE,
     project_id: process.env.FIREBASE_ADMIN_SA_PROJECT_ID,
     private_key_id: process.env.FIREBASE_ADMIN_SA_PRIVATE_KEY_ID,
-    private_key: process.env.FIREBASE_ADMIN_SA_PRIVATE_KEY.replace(
-      /\\n/g,
-      '\n',
-    ),
+    private_key: Buffer.from(
+      process.env.FIREBASE_ADMIN_SA_PRIVATE_KEY,
+      'base64',
+    )
+      .toString('utf8')
+      .replace(/\\n/g, '\n'),
     client_email: process.env.FIREBASE_ADMIN_SA_CLIENT_EMAIL,
     client_id: process.env.FIREBASE_ADMIN_SA_CLIENT_ID,
     auth_uri: process.env.FIREBASE_ADMIN_SA_AUTH_URI,