diff --git includes/common.inc includes/common.inc
index bd41d28..36a3ffc 100644
--- includes/common.inc
+++ includes/common.inc
@@ -338,6 +338,14 @@ function drupal_goto($path = '', $query = NULL, $fragment = NULL, $http_response
     extract(parse_url(urldecode($_REQUEST['destination'])));
   }
 
+  $args = array(
+    'path' => &$path,
+    'query' => &$query,
+    'fragment' => &$fragment,
+    'http_response_code' => &$http_response_code,
+  );
+  drupal_alter('drupal_goto', $args);
+
   $url = url($path, array('query' => $query, 'fragment' => $fragment, 'absolute' => TRUE));
 
   // Allow modules to react to the end of the page request before redirecting.
diff --git modules/simpletest/tests/common.test modules/simpletest/tests/common.test
index d0b16e9..52f9157 100644
--- modules/simpletest/tests/common.test
+++ modules/simpletest/tests/common.test
@@ -497,6 +497,43 @@ class DrupalSetContentTestCase extends DrupalWebTestCase {
 }
 
 /**
+ * Testing drupal_goto and hook_drupal_goto_alter().
+ */
+class DrupalGotoTest extends DrupalWebTestCase {
+  public static function getInfo() {
+    return array(
+      'name' => 'Drupal goto',
+      'description' => 'Performs tests on the drupal_goto function and hook_drupal_goto_alter',
+      'group' => 'System'
+    );
+  }
+
+  function setUp() {
+    parent::setUp('common_test');
+  }
+
+  /**
+   * Test setting and retrieving content for theme regions.
+   */
+  function testDrupalGoto() {
+    $this->drupalGet('common-test/drupal_goto/redirect');
+
+    $this->assertNoText(t("Drupal goto failed to stop program"), t("Drupal goto stopped program."));
+    $this->assertText('drupal_goto', t("Drupal goto redirect failed."));
+  }
+
+  /**
+   * Test setting and retrieving content for theme regions.
+   */
+  function testDrupalGotoAlter() {
+    $this->drupalGet('common-test/drupal_goto/redirect_fail');
+
+    $this->assertNoText(t("Drupal goto failed to stop program"), t("Drupal goto stopped program."));
+    $this->assertNoText('drupal_goto_fail', t("Drupal goto redirect failed."));
+  }
+}
+
+/**
  * Tests for the JavaScript system.
  */
 class JavaScriptTestCase extends DrupalWebTestCase {
diff --git modules/simpletest/tests/common_test.module modules/simpletest/tests/common_test.module
index c1a8b79..887b3fd 100644
--- modules/simpletest/tests/common_test.module
+++ modules/simpletest/tests/common_test.module
@@ -7,6 +7,58 @@
  */
 
 /**
+ * Implement hook_menu().
+ */
+function common_test_menu() {
+  $items = array();
+  $items['common-test/drupal_goto'] = array(
+    'title' => 'Drupal Goto',
+    'page callback' => 'common_test_drupal_goto_land',
+    'access arguments' => array('access content'),
+    'type' => MENU_CALLBACK,
+  );
+  $items['common-test/drupal_goto/fail'] = array(
+    'title' => 'Drupal Goto',
+    'page callback' => 'common_test_drupal_goto_land_fail',
+    'access arguments' => array('access content'),
+    'type' => MENU_CALLBACK,
+  );
+  $items['common-test/drupal_goto/redirect'] = array(
+    'title' => 'Drupal Goto',
+    'page callback' => 'common_test_drupal_goto_redirect',
+    'access arguments' => array('access content'),
+    'type' => MENU_CALLBACK,
+  );
+  $items['common-test/drupal_goto/redirect_fail'] = array(
+    'title' => 'Drupal Goto Failure',
+    'page callback' => 'drupal_goto',
+    'page arguments' => array('common-test/drupal_goto/fail'),
+    'access arguments' => array('access content'),
+    'type' => MENU_CALLBACK,
+  );
+  return $items;
+}
+
+function common_test_drupal_goto_redirect() {
+  drupal_goto('common-test/drupal_goto');
+  print t("Drupal goto failed to stop program");
+}
+
+function common_test_drupal_goto_land() {
+  print "drupal_goto";
+}
+
+function common_test_drupal_goto_land_fail() {
+  print "drupal_goto_fail";
+}
+
+function common_test_drupal_goto_alter(&$args) {
+  if ($args['path'] == 'common-test/drupal_goto/fail') {
+    $args['path'] = 'common-test/drupal_goto/redirect';
+  }
+}
+
+/**
  * Implement hook_theme().
  */
 function common_test_theme() {