diff --git a/src/applications/metamta/typeahead/PhabricatorMetaMTAMailableFunctionDatasource.php b/src/applications/metamta/typeahead/PhabricatorMetaMTAMailableFunctionDatasource.php
index 68cb0e79b2..4b231b959e 100644
--- a/src/applications/metamta/typeahead/PhabricatorMetaMTAMailableFunctionDatasource.php
+++ b/src/applications/metamta/typeahead/PhabricatorMetaMTAMailableFunctionDatasource.php
@@ -8,7 +8,8 @@ final class PhabricatorMetaMTAMailableFunctionDatasource
   }
 
   public function getPlaceholderText() {
-    return pht('Type a username, project, mailing list, or function...');
+    return pht(
+      'Type a username, project, mailing list, package, or function...');
   }
 
   public function getDatasourceApplicationClass() {
@@ -21,6 +22,7 @@ final class PhabricatorMetaMTAMailableFunctionDatasource
       new PhabricatorPeopleDatasource(),
       new PhabricatorProjectMembersDatasource(),
       new PhabricatorProjectDatasource(),
+      new PhabricatorOwnersPackageDatasource(),
     );
   }
 
diff --git a/src/applications/search/field/PhabricatorSearchSubscribersField.php b/src/applications/search/field/PhabricatorSearchSubscribersField.php
index 7102f33910..f3cf2094e9 100644
--- a/src/applications/search/field/PhabricatorSearchSubscribersField.php
+++ b/src/applications/search/field/PhabricatorSearchSubscribersField.php
@@ -10,6 +10,7 @@ final class PhabricatorSearchSubscribersField
   protected function getValueFromRequest(AphrontRequest $request, $key) {
     $allow_types = array(
       PhabricatorProjectProjectPHIDType::TYPECONST,
+      PhabricatorOwnersPackagePHIDType::TYPECONST,
     );
     return $this->getUsersFromRequest($request, $key, $allow_types);
   }