014a9f4cb3773573fa784f34c7ef73fa50351f61
diff --git a/release/views/project_release.views.inc b/release/views/project_release.views.inc
index 128ad7f..0ca14a8 100644
--- a/release/views/project_release.views.inc
+++ b/release/views/project_release.views.inc
@@ -287,7 +287,7 @@ function project_release_views_data() {
       // We don't want to use the vocabulary name in the title here, since
       // that will show up in the labels of exported views and get confusing.
       'title' => t('API compatibility term'),
-      'help' => t('The term from the %vocabulary vocabulary for this release.', array('%vocabulary' => $vocabulary->name)),
+      'help' => t('The term from the %vocabulary vocabulary for this release.', array('%vocabulary' => (!empty($vocabulary) ? $vocabulary->name : ''))),
       'field' => array(
         'handler' => 'project_release_handler_field_version_api_tid',
         'click sortable' => TRUE,