diff --git a/src/applications/search/engine/PhabricatorSearchEngineElastic.php b/src/applications/search/engine/PhabricatorSearchEngineElastic.php
--- a/src/applications/search/engine/PhabricatorSearchEngineElastic.php
+++ b/src/applications/search/engine/PhabricatorSearchEngineElastic.php
@@ -97,7 +97,7 @@
 
     if (strlen($query->getParameter('query'))) {
       $spec[] = array(
-        'field' => array(
+        'term' => array(
           'field.corpus' => $query->getParameter('query'),
         ),
       );