diff --git a/pkg/util/aws/utils.go b/pkg/util/aws/utils.go
index 293c50318a..143bc3b0db 100644
--- a/pkg/util/aws/utils.go
+++ b/pkg/util/aws/utils.go
@@ -275,7 +275,7 @@ func AwsIpPermissionToYunion(direction secrules.TSecurityRuleDirection, p ec2.Ip
 			}
 
 			if p.ToPort != nil {
-				rule.PortStart = int(*p.ToPort)
+				rule.PortEnd = int(*p.ToPort)
 			}
 		}