diff --git a/pkg/util/validator.go b/pkg/util/validator.go
index f0eb18a342ab..0e4321fb0267 100644
--- a/pkg/util/validator.go
+++ b/pkg/util/validator.go
@@ -13,9 +13,12 @@ import (
 )
 
 func ValidateSubnet(subnet kubeovnv1.Subnet) error {
-	if subnet.Spec.Gateway != "" && (!CIDRContainIP(subnet.Spec.CIDRBlock, subnet.Spec.Gateway) || ValidateNetworkBroadcast(subnet.Spec.CIDRBlock, subnet.Spec.Gateway) != nil) {
+	if subnet.Spec.Gateway != "" && !CIDRContainIP(subnet.Spec.CIDRBlock, subnet.Spec.Gateway) {
 		return fmt.Errorf("gateway %s is not in cidr %s", subnet.Spec.Gateway, subnet.Spec.CIDRBlock)
 	}
+	if err := ValidateNetworkBroadcast(subnet.Spec.CIDRBlock, subnet.Spec.Gateway); err != nil {
+		return fmt.Errorf("validate gateway %s for cidr %s failed: %v", subnet.Spec.Gateway, subnet.Spec.CIDRBlock, err)
+	}
 	if err := CIDRGlobalUnicast(subnet.Spec.CIDRBlock); err != nil {
 		return err
 	}