diff --git a/packages/playwright-core/src/client/browserContext.ts b/packages/playwright-core/src/client/browserContext.ts
index 922fb03bfe..83655887e6 100644
--- a/packages/playwright-core/src/client/browserContext.ts
+++ b/packages/playwright-core/src/client/browserContext.ts
@@ -426,7 +426,7 @@ export class BrowserContext extends ChannelOwner<channels.BrowserContextChannel>
   }
 
   async storageState(options: { path?: string, indexedDB?: boolean } = {}): Promise<StorageState> {
-    const state = await this._channel.storageState({ indexedDB: options.indexedDB ?? true });
+    const state = await this._channel.storageState({ indexedDB: options.indexedDB });
     if (options.path) {
       await mkdirIfNeeded(options.path);
       await fs.promises.writeFile(options.path, JSON.stringify(state, undefined, 2), 'utf8');
diff --git a/packages/playwright-core/src/client/fetch.ts b/packages/playwright-core/src/client/fetch.ts
index cb71b38c81..b386575e5c 100644
--- a/packages/playwright-core/src/client/fetch.ts
+++ b/packages/playwright-core/src/client/fetch.ts
@@ -261,7 +261,7 @@ export class APIRequestContext extends ChannelOwner<channels.APIRequestContextCh
   }
 
   async storageState(options: { path?: string, indexedDB?: boolean } = {}): Promise<StorageState> {
-    const state = await this._channel.storageState({ indexedDB: options.indexedDB ?? true });
+    const state = await this._channel.storageState({ indexedDB: options.indexedDB });
     if (options.path) {
       await mkdirIfNeeded(options.path);
       await fs.promises.writeFile(options.path, JSON.stringify(state, undefined, 2), 'utf8');
diff --git a/packages/playwright-core/src/protocol/validator.ts b/packages/playwright-core/src/protocol/validator.ts
index bd686114d8..d1e7c3d63c 100644
--- a/packages/playwright-core/src/protocol/validator.ts
+++ b/packages/playwright-core/src/protocol/validator.ts
@@ -235,7 +235,7 @@ scheme.APIRequestContextFetchLogResult = tObject({
   log: tArray(tString),
 });
 scheme.APIRequestContextStorageStateParams = tObject({
-  indexedDB: tBoolean,
+  indexedDB: tOptional(tBoolean),
 });
 scheme.APIRequestContextStorageStateResult = tObject({
   cookies: tArray(tType('NetworkCookie')),
@@ -995,7 +995,7 @@ scheme.BrowserContextSetOfflineParams = tObject({
 });
 scheme.BrowserContextSetOfflineResult = tOptional(tObject({}));
 scheme.BrowserContextStorageStateParams = tObject({
-  indexedDB: tBoolean,
+  indexedDB: tOptional(tBoolean),
 });
 scheme.BrowserContextStorageStateResult = tObject({
   cookies: tArray(tType('NetworkCookie')),
diff --git a/packages/playwright-core/src/server/browserContext.ts b/packages/playwright-core/src/server/browserContext.ts
index 1fd7f4d6a1..c4469f52b0 100644
--- a/packages/playwright-core/src/server/browserContext.ts
+++ b/packages/playwright-core/src/server/browserContext.ts
@@ -508,7 +508,7 @@ export abstract class BrowserContext extends SdkObject {
     this._origins.add(origin);
   }
 
-  async storageState(indexedDB: boolean): Promise<channels.BrowserContextStorageStateResult> {
+  async storageState(indexedDB = true): Promise<channels.BrowserContextStorageStateResult> {
     const result: channels.BrowserContextStorageStateResult = {
       cookies: await this.cookies(),
       origins: []
diff --git a/packages/playwright-core/src/server/dispatchers/networkDispatchers.ts b/packages/playwright-core/src/server/dispatchers/networkDispatchers.ts
index ba600f697e..6c2468176a 100644
--- a/packages/playwright-core/src/server/dispatchers/networkDispatchers.ts
+++ b/packages/playwright-core/src/server/dispatchers/networkDispatchers.ts
@@ -194,8 +194,8 @@ export class APIRequestContextDispatcher extends Dispatcher<APIRequestContext, c
     this.adopt(tracing);
   }
 
-  async storageState(): Promise<channels.APIRequestContextStorageStateResult> {
-    return this._object.storageState();
+  async storageState(params: channels.APIRequestContextStorageStateParams): Promise<channels.APIRequestContextStorageStateResult> {
+    return this._object.storageState(params.indexedDB);
   }
 
   async dispose(params: channels.APIRequestContextDisposeParams, metadata: CallMetadata): Promise<void> {
diff --git a/packages/playwright-core/src/server/fetch.ts b/packages/playwright-core/src/server/fetch.ts
index 0ecff57a5f..778fbcee95 100644
--- a/packages/playwright-core/src/server/fetch.ts
+++ b/packages/playwright-core/src/server/fetch.ts
@@ -133,7 +133,7 @@ export abstract class APIRequestContext extends SdkObject {
   abstract _defaultOptions(): FetchRequestOptions;
   abstract _addCookies(cookies: channels.NetworkCookie[]): Promise<void>;
   abstract _cookies(url: URL): Promise<channels.NetworkCookie[]>;
-  abstract storageState(indexedDB: boolean): Promise<channels.APIRequestContextStorageStateResult>;
+  abstract storageState(indexedDB?: boolean): Promise<channels.APIRequestContextStorageStateResult>;
 
   private _storeResponseBody(body: Buffer): string {
     const uid = createGuid();
@@ -618,7 +618,7 @@ export class BrowserContextAPIRequestContext extends APIRequestContext {
     return await this._context.cookies(url.toString());
   }
 
-  override async storageState(indexedDB: boolean): Promise<channels.APIRequestContextStorageStateResult> {
+  override async storageState(indexedDB?: boolean): Promise<channels.APIRequestContextStorageStateResult> {
     return this._context.storageState(indexedDB);
   }
 }
@@ -684,7 +684,7 @@ export class GlobalAPIRequestContext extends APIRequestContext {
     return this._cookieStore.cookies(url);
   }
 
-  override async storageState(indexedDB: boolean): Promise<channels.APIRequestContextStorageStateResult> {
+  override async storageState(indexedDB = true): Promise<channels.APIRequestContextStorageStateResult> {
     return {
       cookies: this._cookieStore.allCookies(),
       origins: (this._origins || []).map(origin => ({ ...origin, indexedDB: indexedDB ? origin.indexedDB : [] })),
diff --git a/packages/protocol/src/channels.d.ts b/packages/protocol/src/channels.d.ts
index ed3365796c..522bbb779e 100644
--- a/packages/protocol/src/channels.d.ts
+++ b/packages/protocol/src/channels.d.ts
@@ -403,10 +403,10 @@ export type APIRequestContextFetchLogResult = {
   log: string[],
 };
 export type APIRequestContextStorageStateParams = {
-  indexedDB: boolean,
+  indexedDB?: boolean,
 };
 export type APIRequestContextStorageStateOptions = {
-
+  indexedDB?: boolean,
 };
 export type APIRequestContextStorageStateResult = {
   cookies: NetworkCookie[],
@@ -1802,10 +1802,10 @@ export type BrowserContextSetOfflineOptions = {
 };
 export type BrowserContextSetOfflineResult = void;
 export type BrowserContextStorageStateParams = {
-  indexedDB: boolean,
+  indexedDB?: boolean,
 };
 export type BrowserContextStorageStateOptions = {
-
+  indexedDB?: boolean,
 };
 export type BrowserContextStorageStateResult = {
   cookies: NetworkCookie[],
diff --git a/packages/protocol/src/protocol.yml b/packages/protocol/src/protocol.yml
index d2eb339d1e..316ac8c2a8 100644
--- a/packages/protocol/src/protocol.yml
+++ b/packages/protocol/src/protocol.yml
@@ -377,7 +377,7 @@ APIRequestContext:
 
     storageState:
       parameters:
-        indexedDB: boolean
+        indexedDB: boolean?
       returns:
         cookies:
           type: array
@@ -1237,7 +1237,7 @@ BrowserContext:
 
     storageState:
       parameters:
-        indexedDB: boolean
+        indexedDB: boolean?
       returns:
         cookies:
           type: array