diff --git a/pkg/ipam/ipam.go b/pkg/ipam/ipam.go
index 68f18f34b559..1def30ff268f 100644
--- a/pkg/ipam/ipam.go
+++ b/pkg/ipam/ipam.go
@@ -141,7 +141,7 @@ func checkAndAppendIpsForDual(ips []IP, mac, podName, nicName string, subnet *Su
 		klog.Error(err)
 		return nil, err
 	}
-	return newIps, err
+	return newIps, nil
 }
 
 func (ipam *IPAM) ReleaseAddressByPod(podName, subnetName string) {