diff --git a/src/applications/diviner/controller/DivinerAtomController.php b/src/applications/diviner/controller/DivinerAtomController.php
--- a/src/applications/diviner/controller/DivinerAtomController.php
+++ b/src/applications/diviner/controller/DivinerAtomController.php
@@ -300,6 +300,10 @@
     PHUIPropertyListView $view,
     DivinerLiveSymbol $symbol) {
 
+    if (!$symbol->getRepositoryPHID()) {
+      return;
+    }
+
     $view->addProperty(
       pht('Repository'),
       $this->getViewer()->renderHandle($symbol->getRepositoryPHID()));