diff --git a/menu_position.module b/menu_position.module
index a5d1c3c..0fb8bfc 100644
--- a/menu_position.module
+++ b/menu_position.module
@@ -5,6 +5,17 @@
  */
 
 /**
+ * Implements hook_panels_pane_content_alter().
+ *
+ * This is a fix for panels users. Panels are rendered before
+ * hook_page_delivery_callback_alter() is called, so we hook here to
+ * evaluate our rules before they are rendered.
+ */
+function menu_position_panels_pre_render($display) {
+  menu_position_page_preprocess_callback();
+}
+
+/**
  * Implements hook_page_delivery_callback_alter().
  *
  * This is the only hook that occurs after the page callback, but before
@@ -12,12 +23,18 @@
  * timing, not its data.
  */
 function menu_position_page_preprocess_callback() {
-  $context = array();
-  $context['path'] = $_GET['q'];
-  if (arg(0) == 'node' && is_numeric(arg(1))) {
-    $context['node'] = node_load(arg(1));
+  static $evaluated = FALSE;
+
+  if ($evaluated == FALSE) {
+    $context = array();
+    $context['path'] = $_GET['q'];
+    if (arg(0) == 'node' && is_numeric(arg(1))) {
+      $context['node'] = node_load(arg(1));
+    }
+    menu_position_evaluate_rules($context);
+
+    $evaluated = TRUE;
   }
-  menu_position_evaluate_rules($context);
 }
 
 /**