diff --git a/classes/experiment_manager.php b/classes/experiment_manager.php
index 3d080d0..a3b28b5 100644
--- a/classes/experiment_manager.php
+++ b/classes/experiment_manager.php
@@ -270,9 +270,7 @@ public function get_experiments() {
      * Get active requests
      * @return mixed
      */
-    public function get_active_request() {
-        $experiments = self::get_experiments();
-
+    public function get_active_request($experiments) {
         // Filter array for only enabled session experiments.
         return array_filter($experiments, function ($experiment) {
             if ($experiment['enabled'] == 1 && $experiment['scope'] == 'request') {
@@ -287,8 +285,10 @@ public function get_active_request() {
      * Get the active session
      * @return mixed
      */
-    public function get_active_session() {
-        $experiments = self::get_experiments();
+    public function get_active_session($experiments = null) {
+        if (is_null($experiments)) {
+            $experiments = self::get_experiments();
+        }
 
         // Filter array for only enabled session experiments.
         return array_filter($experiments, function ($experiment) {
diff --git a/classes/hook_callbacks.php b/classes/hook_callbacks.php
index 1d53418..37d6519 100644
--- a/classes/hook_callbacks.php
+++ b/classes/hook_callbacks.php
@@ -98,7 +98,7 @@ public static function after_config(\core\hook\after_config $hook) {
             // First, Build a list of all commands that need to be executed.
 
             // Start with request scope.
-            $requestexperiments = $manager->get_active_request();
+            $requestexperiments = $manager->get_active_request($experiments);
             if (!empty($requestexperiments)) {
                 foreach ($requestexperiments as $record) {
 
@@ -143,7 +143,7 @@ public static function after_config(\core\hook\after_config $hook) {
             }
 
             // Now session scope.
-            $sessionexperiments = $manager->get_active_session();
+            $sessionexperiments = $manager->get_active_session($experiments);
             if (!empty($sessionexperiments)) {
                 foreach ($sessionexperiments as $record) {
                     // Check if a session var has been set for this experiment, only care if has been set.