diff --git a/examples/gmail_send_email.php b/examples/gmail_send_email.php
index 37fdd40..a2a3e7c 100644
--- a/examples/gmail_send_email.php
+++ b/examples/gmail_send_email.php
@@ -33,6 +33,7 @@ if (isset($_GET['code'])) {
 
     $_SESSION['access_token'] = $curl->response->access_token;
     header('Location: ?');
+    exit;
 } elseif (!empty($_SESSION['access_token'])) {
     // Use the access token to send an email.
     $curl = new Curl();
diff --git a/examples/google_plus_profile.php b/examples/google_plus_profile.php
index b8832d4..d3c0735 100644
--- a/examples/google_plus_profile.php
+++ b/examples/google_plus_profile.php
@@ -33,6 +33,7 @@ if (isset($_GET['code'])) {
 
     $_SESSION['access_token'] = $curl->response->access_token;
     header('Location: ?');
+    exit;
 } elseif (!empty($_SESSION['access_token']) && !isset($_GET['retry'])) {
     // Use the access token to retrieve the profile.
     $curl = new Curl();