diff --git a/main/inc/lib/exercise.lib.php b/main/inc/lib/exercise.lib.php
index 0d91da650d..d69e67bbfd 100644
--- a/main/inc/lib/exercise.lib.php
+++ b/main/inc/lib/exercise.lib.php
@@ -2211,7 +2211,7 @@ HOTSPOT;
                     te.c_id = $course_id $session_id_and AND
                     ce.active <> -1 AND
                     ce.c_id = $course_id
-                    $exercise_where
+                    $exercise_where AND
                     $extra_where_conditions
                 ";