diff --git a/api/handler/gateway_action.go b/api/handler/gateway_action.go
index 38e5964aa..b390eadf4 100644
--- a/api/handler/gateway_action.go
+++ b/api/handler/gateway_action.go
@@ -1013,7 +1013,7 @@ func (g *GatewayAction) SyncTCPRules(tx *gorm.DB, components []*apimodel.Compone
 		tcpRules     []*model.TCPRule
 	)
 	for _, component := range components {
-		if component.TCPRules == nil {
+		if len(component.TCPRules) == 0 {
 			continue
 		}
 		componentIDs = append(componentIDs, component.ComponentBase.ComponentID)