diff --git a/src/applications/audit/view/PhabricatorAuditListView.php b/src/applications/audit/view/PhabricatorAuditListView.php
--- a/src/applications/audit/view/PhabricatorAuditListView.php
+++ b/src/applications/audit/view/PhabricatorAuditListView.php
@@ -2,7 +2,7 @@
 
 final class PhabricatorAuditListView extends AphrontView {
 
-  private $commits;
+  private $commits = array();
   private $header;
   private $showDrafts;
   private $noDataString;
diff --git a/src/applications/differential/view/DifferentialRevisionListView.php b/src/applications/differential/view/DifferentialRevisionListView.php
--- a/src/applications/differential/view/DifferentialRevisionListView.php
+++ b/src/applications/differential/view/DifferentialRevisionListView.php
@@ -5,7 +5,7 @@
  */
 final class DifferentialRevisionListView extends AphrontView {
 
-  private $revisions;
+  private $revisions = array();
   private $handles;
   private $header;
   private $noDataString;