diff --git a/cni/network/invoker_cns.go b/cni/network/invoker_cns.go
index 02e0ce7351..78a0907a44 100644
--- a/cni/network/invoker_cns.go
+++ b/cni/network/invoker_cns.go
@@ -362,7 +362,7 @@ func getRoutes(cnsRoutes []cns.Route, skipDefaultRoutes bool) ([]network.RouteIn
 		}
 
 		gw := net.ParseIP(route.GatewayIPAddress)
-		if gw == nil && skipDefaultRoutes {
+		if skipDefaultRoutes {
 			return nil, errors.Wrap(errInvalidGatewayIP, route.GatewayIPAddress)
 		}