diff --git a/static/js/controllers.js b/static/js/controllers.js
index a94ed8c1e..822c5a751 100644
--- a/static/js/controllers.js
+++ b/static/js/controllers.js
@@ -699,6 +699,7 @@ function RepoCtrl($scope, $sanitize, Restangular, ImageMetadataService, ApiServi
     callback(tag_image);
 
     // Callback any parent images.
+    if (!tag_image.ancestors) { return; }
     var ancestors = tag_image.ancestors.split('/');
     for (var i = 0; i < ancestors.length; ++i) {
       var image = $scope.imageByDBID[ancestors[i]];