diff --git a/src/server/game/mod/piggyBank/piggyBank.go b/src/server/game/mod/piggyBank/piggyBank.go
index 9318c1fb..faeac010 100644
--- a/src/server/game/mod/piggyBank/piggyBank.go
+++ b/src/server/game/mod/piggyBank/piggyBank.go
@@ -65,8 +65,9 @@ func (p *PiggyBankMod) Trigger() {
 	if p.EndTime < Now {
 		return
 	}
-	min, max := chargeCfg.GetPiggyRandDia()
-	p.Diamond += GoUtil.RandNum(min, max)
+	minDia, maxDia := chargeCfg.GetPiggyRandDia()
+	p.Diamond += GoUtil.RandNum(minDia, maxDia)
+	p.Diamond = min(p.Diamond, chargeCfg.GetPiggyMaxDia())
 }
 
 func (p *PiggyBankMod) BackData() *msg.ResPiggyBank {