diff --git a/src/applications/herald/adapter/HeraldAdapter.php b/src/applications/herald/adapter/HeraldAdapter.php
--- a/src/applications/herald/adapter/HeraldAdapter.php
+++ b/src/applications/herald/adapter/HeraldAdapter.php
@@ -923,6 +923,11 @@
     return $map;
   }
 
+  public static function isAdapterEnabled(PhabricatorUser $viewer,
+                                          HeraldAdapter $adapter) {
+    return $adapter->isAvailableToUser($viewer);
+  }
+
   public function getEditorValueForCondition(
     PhabricatorUser $viewer,
     HeraldCondition $condition) {
diff --git a/src/applications/herald/engine/HeraldEngine.php b/src/applications/herald/engine/HeraldEngine.php
--- a/src/applications/herald/engine/HeraldEngine.php
+++ b/src/applications/herald/engine/HeraldEngine.php
@@ -520,8 +520,7 @@
     // In particular, this means that the application must be installed and
     // accessible to the user. For example, if a user writes a Differential
     // rule and then loses access to Differential, this disables the rule.
-    $enabled = HeraldAdapter::getEnabledAdapterMap($rule->getAuthor());
-    if (empty($enabled[$adapter->getAdapterContentType()])) {
+    if (!HeraldAdapter::isAdapterEnabled($rule->getAuthor(), $adapter)) {
       return false;
     }