diff --git a/src/server/game/activity_func.go b/src/server/game/activity_func.go
index 14e8a79f..439a84ff 100644
--- a/src/server/game/activity_func.go
+++ b/src/server/game/activity_func.go
@@ -47,7 +47,7 @@ func (p *Player) ActivityLogin() {
 		ItemNum := ItemMod.GetItem(ItemId)
 		if ItemNum != 0 {
 			ItemMod.AddItem(ItemId, -ItemNum)
-			p.SendActivityMail(ItemId, ItemNum, ActivityId, nil)
+			p.SendActivityMail(item.ITEM_ENERGY_ID, ItemNum, ActivityId, nil)
 		}
 	}