diff --git a/src/applications/phortune/query/PhortuneSubscriptionQuery.php b/src/applications/phortune/query/PhortuneSubscriptionQuery.php
--- a/src/applications/phortune/query/PhortuneSubscriptionQuery.php
+++ b/src/applications/phortune/query/PhortuneSubscriptionQuery.php
@@ -72,6 +72,10 @@
       $subscription->attachAccount($account);
     }
 
+    if (!$subscriptions) {
+      return $subscriptions;
+    }
+
     $merchants = id(new PhortuneMerchantQuery())
       ->setViewer($this->getViewer())
       ->withPHIDs(mpull($subscriptions, 'getMerchantPHID'))
@@ -87,6 +91,10 @@
       $subscription->attachMerchant($merchant);
     }
 
+    if (!$subscriptions) {
+      return $subscriptions;
+    }
+
     $implementations = array();
 
     $subscription_map = mgroup($subscriptions, 'getSubscriptionClass');
@@ -109,6 +117,10 @@
       $subscription->attachImplementation($implementation);
     }
 
+    if (!$subscriptions) {
+      return $subscriptions;
+    }
+
     if ($this->needTriggers) {
       $trigger_phids = mpull($subscriptions, 'getTriggerPHID');
       $triggers = id(new PhabricatorWorkerTriggerQuery())