diff --git a/db/const.txt b/db/const.txt
index 2215287390..47ac775f4f 100644
--- a/db/const.txt
+++ b/db/const.txt
@@ -1621,6 +1621,7 @@ HAT_EF_GOLD_SHOWER	48
 // Those are redefined clientside
 //HAT_EF_WHITEBODY	49
 //HAT_EF_WATER_BELOW	50
+HAT_EF_FIREWORK  51
 
 WARPNPC	45
 1_ETC_01	46