diff --git a/sql/sql_trigger.cc b/sql/sql_trigger.cc
index 4f6d5c6a1dd..957fe44d621 100644
--- a/sql/sql_trigger.cc
+++ b/sql/sql_trigger.cc
@@ -475,7 +475,7 @@ bool mysql_create_or_drop_trigger(THD *thd, TABLE_LIST *tables, bool create)
   }
 
   /* Protect against concurrent create/drop */
-  MDL_REQUEST_INIT(&mdl_request_for_trn, MDL_key::TABLE,
+  MDL_REQUEST_INIT(&mdl_request_for_trn, MDL_key::TRIGGER,
                    create ? tables->db.str : thd->lex->spname->m_db.str,
                    thd->lex->spname->m_name.str,
                    MDL_EXCLUSIVE, MDL_EXPLICIT);