diff --git a/sys/net/route/route_tables.c b/sys/net/route/route_tables.c
index 5419c205f8f..eb969cd837b 100644
--- a/sys/net/route/route_tables.c
+++ b/sys/net/route/route_tables.c
@@ -140,8 +140,8 @@ sysctl_fibs(SYSCTL_HANDLER_ARGS)
 	return (error);
 }
 SYSCTL_PROC(_net, OID_AUTO, fibs,
-    CTLFLAG_VNET | CTLTYPE_U32 | CTLFLAG_MPSAFE, NULL, 0,
-    &sysctl_fibs, "IU",
+    CTLFLAG_VNET | CTLTYPE_U32 | CTLFLAG_RWTUN | CTLFLAG_NOFETCH | CTLFLAG_MPSAFE,
+    NULL, 0, &sysctl_fibs, "IU",
     "set number of fibs");
 
 /*