diff --git a/src/applications/maniphest/config/PhabricatorManiphestConfigOptions.php b/src/applications/maniphest/config/PhabricatorManiphestConfigOptions.php
--- a/src/applications/maniphest/config/PhabricatorManiphestConfigOptions.php
+++ b/src/applications/maniphest/config/PhabricatorManiphestConfigOptions.php
@@ -65,6 +65,12 @@
       'open' => array(
         'name' => pht('Open'),
         'special' => ManiphestTaskStatus::SPECIAL_DEFAULT,
+        'prefixes' => array(
+          'open',
+          'opens',
+          'reopen',
+          'reopens',
+        ),
       ),
       'resolved' => array(
         'name' => pht('Resolved'),
diff --git a/src/applications/maniphest/field/parser/__tests__/ManiphestCustomFieldStatusParserTestCase.php b/src/applications/maniphest/field/parser/__tests__/ManiphestCustomFieldStatusParserTestCase.php
--- a/src/applications/maniphest/field/parser/__tests__/ManiphestCustomFieldStatusParserTestCase.php
+++ b/src/applications/maniphest/field/parser/__tests__/ManiphestCustomFieldStatusParserTestCase.php
@@ -50,6 +50,16 @@
       'Fixes t2apps' => array(),
       'fixes a bug' => array(),
       'Prefixes T2' => array(),
+      'Reopens T123' => array(
+        array(
+          'match' => 'Reopens T123',
+          'prefix' => 'Reopens',
+          'infix' => '',
+          'monograms' => array('T123'),
+          'suffix' => '',
+          'offset' => 0,
+        ),
+      ),
     );
 
     foreach ($map as $input => $expect) {