diff --git a/plugins/display_renderers/panels_renderer_standard.class.php b/plugins/display_renderers/panels_renderer_standard.class.php
index aebf191..1d25041 100644
--- a/plugins/display_renderers/panels_renderer_standard.class.php
+++ b/plugins/display_renderers/panels_renderer_standard.class.php
@@ -222,6 +222,9 @@ class panels_renderer_standard {
 
     // Prepare the list of panes to be rendered
     foreach ($panes as $pid => $pane) {
+      if (!isset($pane->type)) {
+        continue;
+      }
       if (empty($this->admin)) {
         // TODO remove in 7.x and ensure the upgrade path weeds out any stragglers; it's been long enough
         $pane->shown = !empty($pane->shown); // guarantee this field exists.