diff --git a/question/restorelib.php b/question/restorelib.php
index a679c04e0eb..ca8d940560a 100644
--- a/question/restorelib.php
+++ b/question/restorelib.php
@@ -115,7 +115,7 @@
                     if ($nextcatid == 0){
                         break;
                     }
-                    $catid == $nextcatid;
+                    $catid = $nextcatid;
                     $catno--;
                 }
                 $tocontext = get_context_instance(CONTEXT_COURSECAT, $catid);