diff --git a/plugin/advanced_subscription/src/HookAdvancedSubscription.php b/plugin/advanced_subscription/src/HookAdvancedSubscription.php
index 4435416b5e..cac776bfd4 100644
--- a/plugin/advanced_subscription/src/HookAdvancedSubscription.php
+++ b/plugin/advanced_subscription/src/HookAdvancedSubscription.php
@@ -415,7 +415,7 @@ class HookAdvancedSubscription extends HookObserver implements
         global $debug;
 
         if ($debug) {
-            error_log('WSUserSubscribedInCourse');
+            error_log(__FUNCTION__);
             error_log('Params ' . print_r($params, 1));
         }
         if (!WSHelperVerifyKey($params)) {
@@ -684,4 +684,4 @@ class HookAdvancedSubscription extends HookObserver implements
         }
         return false;
     }
-}
\ No newline at end of file
+}