diff --git a/packages/auth-client/src/db.ts b/packages/auth-client/src/db.ts
index adc3f8f73..cc864a4b6 100644
--- a/packages/auth-client/src/db.ts
+++ b/packages/auth-client/src/db.ts
@@ -1,5 +1,5 @@
 import { openDB, IDBPDatabase } from 'idb';
-import { KEY_STORAGE_DELEGATION, KEY_STORAGE_KEY } from './storage';
+import { isBrowser, KEY_STORAGE_DELEGATION, KEY_STORAGE_KEY } from './storage';
 
 type Database = IDBPDatabase<unknown>;
 type IDBValidKey = string | number | Date | BufferSource | IDBValidKey[];
@@ -12,7 +12,7 @@ const _openDbStore = async (
   version: number,
 ) => {
   // Clear legacy stored delegations
-  if (localStorage && localStorage.getItem(KEY_STORAGE_DELEGATION)) {
+  if (isBrowser && localStorage?.getItem(KEY_STORAGE_DELEGATION)) {
     localStorage.removeItem(KEY_STORAGE_DELEGATION);
     localStorage.removeItem(KEY_STORAGE_KEY);
   }
diff --git a/packages/auth-client/src/index.ts b/packages/auth-client/src/index.ts
index 323bbfb3d..5758f8466 100644
--- a/packages/auth-client/src/index.ts
+++ b/packages/auth-client/src/index.ts
@@ -18,6 +18,7 @@ import { IdleManager, IdleManagerOptions } from './idleManager';
 import {
   AuthClientStorage,
   IdbStorage,
+  isBrowser,
   KEY_STORAGE_DELEGATION,
   KEY_STORAGE_KEY,
   KEY_VECTOR,
@@ -195,7 +196,7 @@ export class AuthClient {
       key = options.identity;
     } else {
       let maybeIdentityStorage = await storage.get(KEY_STORAGE_KEY);
-      if (!maybeIdentityStorage) {
+      if (!maybeIdentityStorage && isBrowser) {
         // Attempt to migrate from localstorage
         try {
           const fallbackLocalStorage = new LocalStorage();
diff --git a/packages/auth-client/src/storage.ts b/packages/auth-client/src/storage.ts
index 2a43876a3..8bbfed55c 100644
--- a/packages/auth-client/src/storage.ts
+++ b/packages/auth-client/src/storage.ts
@@ -6,6 +6,8 @@ export const KEY_VECTOR = 'iv';
 // Increment if any fields are modified
 export const DB_VERSION = 1;
 
+export const isBrowser = typeof window !== 'undefined';
+
 /**
  * Interface for persisting user authentication data
  */