diff --git a/search/documents/lesson_document.php b/search/documents/lesson_document.php
index 8354fe56efe..9781e14d123 100644
--- a/search/documents/lesson_document.php
+++ b/search/documents/lesson_document.php
@@ -183,7 +183,7 @@ function lesson_check_text_access($path, $itemtype, $this_id, $user, $group_id,
         return false;
     }
 
-    if ($lesson->usepassword && !lessonsuperuser){
+    if ($lesson->usepassword && !$lessonsuperuser){
         if (!empty($CFG->search_access_debug)) echo "search reject : password required, cannot output in searches ";
         return false;
     }