diff --git a/data/sql/updates/pending_db_world/rev_1720780836000850100.sql b/data/sql/updates/pending_db_world/rev_1720780836000850100.sql
new file mode 100644
index 000000000..80f4e34eb
--- /dev/null
+++ b/data/sql/updates/pending_db_world/rev_1720780836000850100.sql
@@ -0,0 +1,2 @@
+-- add flag CU_DURATION_REAL_TIME to 21174 'Empty Festive Mug'
+UPDATE `item_template` SET `flagsCustom` = (`flagsCustom` | 1) WHERE (`entry` = 21174);