diff --git a/src/infrastructure/edges/query/PhabricatorEdgeQuery.php b/src/infrastructure/edges/query/PhabricatorEdgeQuery.php
index 160aff9b0b..90bc8c807a 100644
--- a/src/infrastructure/edges/query/PhabricatorEdgeQuery.php
+++ b/src/infrastructure/edges/query/PhabricatorEdgeQuery.php
@@ -189,7 +189,7 @@ final class PhabricatorEdgeQuery extends PhabricatorQuery {
           }
         }
         foreach ($edges as $key => $edge) {
-          $edges[$key]['data'] = idx($data_map, $edge['dataID']);
+          $edges[$key]['data'] = idx($data_map, $edge['dataID'], array());
         }
       }