diff --git a/libnetwork/osl/route_linux.go b/libnetwork/osl/route_linux.go
index 3ebaaec77c..09a0a45f89 100644
--- a/libnetwork/osl/route_linux.go
+++ b/libnetwork/osl/route_linux.go
@@ -142,7 +142,7 @@ func (n *networkNamespace) SetGatewayIPv6(gwv6 net.IP) error {
 
 	err := programGateway(n.nsPath(), gwv6, true)
 	if err == nil {
-		n.SetGatewayIPv6(gwv6)
+		n.setGatewayIPv6(gwv6)
 	}
 
 	return err