diff --git a/params/config.go b/params/config.go
index 79d7a7c2ab..81239d514e 100644
--- a/params/config.go
+++ b/params/config.go
@@ -393,7 +393,7 @@ var (
 		conf.GraniteTime = &zero
 		conf.HoloceneTime = &zero
 		conf.IsthmusTime = &zero
-		conf.JovianTime = nil
+		conf.JovianTime = &zero
 		conf.InteropTime = nil
 		conf.Optimism = &OptimismConfig{EIP1559Elasticity: 6, EIP1559Denominator: 50, EIP1559DenominatorCanyon: uint64ptr(250)}
 		return &conf