diff --git a/sys/net/if_vxlan.c b/sys/net/if_vxlan.c
--- a/sys/net/if_vxlan.c
+++ b/sys/net/if_vxlan.c
@@ -428,9 +428,11 @@
     "Virtual eXtensible Local Area Network");
 
 static int vxlan_legacy_port = 0;
-TUNABLE_INT("net.link.vxlan.legacy_port", &vxlan_legacy_port);
+SYSCTL_INT(_net_link_vxlan, OID_AUTO, legacy_port, CTLFLAG_RWTUN,
+    &vxlan_legacy_port, 0, "Use legacy port");
 static int vxlan_reuse_port = 0;
-TUNABLE_INT("net.link.vxlan.reuse_port", &vxlan_reuse_port);
+SYSCTL_INT(_net_link_vxlan, OID_AUTO, reuse_port, CTLFLAG_RWTUN,
+    &vxlan_reuse_port, 0, "Re-use port");
 
 /*
  * This macro controls the default upper limitation on nesting of vxlan