diff --git a/.changeset/little-clowns-tap.md b/.changeset/little-clowns-tap.md
new file mode 100644
index 00000000..955e8b84
--- /dev/null
+++ b/.changeset/little-clowns-tap.md
@@ -0,0 +1,5 @@
+---
+'@asgardeo/react': patch
+---
+
+Fix auto login
diff --git a/packages/react/src/AsgardeoReactClient.ts b/packages/react/src/AsgardeoReactClient.ts
index 85d494f4..28ac48d6 100644
--- a/packages/react/src/AsgardeoReactClient.ts
+++ b/packages/react/src/AsgardeoReactClient.ts
@@ -415,8 +415,19 @@ class AsgardeoReactClient<T extends AsgardeoReactConfig = AsgardeoReactConfig> e
     const baseUrl: string = config?.baseUrl;
 
     if (config.platform === Platform.AsgardeoV2) {
+      // Read authId from URL params or sessionStorage
+      // This is needed to complete the OAuth flow after registration
+      const authIdFromUrl: string = new URL(window.location.href).searchParams.get('authId');
+      const authIdFromStorage: string = sessionStorage.getItem('asgardeo_auth_id');
+      const authId: string = authIdFromUrl || authIdFromStorage;
+
+      if (authIdFromUrl && !authIdFromStorage) {
+        sessionStorage.setItem('asgardeo_auth_id', authIdFromUrl);
+      }
+
       return executeEmbeddedSignUpFlowV2({
         baseUrl,
+        authId,
         payload:
           typeof firstArg === 'object' && 'flowType' in firstArg
             ? {...(firstArg as EmbeddedFlowExecuteRequestPayload), verbose: true}
diff --git a/packages/react/src/components/presentation/auth/SignUp/v2/SignUp.tsx b/packages/react/src/components/presentation/auth/SignUp/v2/SignUp.tsx
index c3f733d1..df16eede 100644
--- a/packages/react/src/components/presentation/auth/SignUp/v2/SignUp.tsx
+++ b/packages/react/src/components/presentation/auth/SignUp/v2/SignUp.tsx
@@ -89,6 +89,14 @@ const SignUp: FC<SignUpProps> = ({
   const handleComplete = (response: EmbeddedFlowExecuteResponse) => {
     onComplete?.(response);
 
+    // Check if OAuth flow completed and we have a redirect URL with authorization code
+    // This happens when registration completes with assertion and OAuth authorize succeeds
+    const oauthRedirectUrl = (response as any)?.redirectUrl;
+    if (shouldRedirectAfterSignUp && oauthRedirectUrl) {
+      window.location.href = oauthRedirectUrl;
+      return;
+    }
+
     // For non-redirection responses (regular sign-up completion), handle redirect if configured
     if (shouldRedirectAfterSignUp && response?.type !== EmbeddedFlowResponseType.Redirection && afterSignUpUrl) {
       window.location.href = afterSignUpUrl;