diff --git a/src/connectors/argentMobile/index.ts b/src/connectors/argentMobile/index.ts
index 7c0b328..cd28c37 100644
--- a/src/connectors/argentMobile/index.ts
+++ b/src/connectors/argentMobile/index.ts
@@ -9,6 +9,7 @@ import {
   ConnectorNotConnectedError,
   ConnectorNotFoundError,
   UserNotConnectedError,
+  UserRejectedRequestError,
 } from "../../errors"
 import { resetWalletConnect } from "../../helpers/resetWalletConnect"
 import {
@@ -195,6 +196,11 @@ export class ArgentMobileConnector extends Connector {
 
     const _wallet = await getStarknetWindowObject(options)
 
+    // getStarknetWindowObject returns null when the user rejects the connection
+    if (!_wallet) {
+      throw new UserRejectedRequestError()
+    }
+
     this._wallet = _wallet
 
     // wallet connect rpc enable