Index: head/sys/netpfil/pf/pf.c
===================================================================
--- head/sys/netpfil/pf/pf.c
+++ head/sys/netpfil/pf/pf.c
@@ -381,7 +381,7 @@
     &pf_hashsize, 0, "Size of pf(4) states hashtable");
 SYSCTL_ULONG(_net_pf, OID_AUTO, source_nodes_hashsize, CTLFLAG_RDTUN,
     &pf_srchashsize, 0, "Size of pf(4) source nodes hashtable");
-SYSCTL_ULONG(_net_pf, OID_AUTO, request_maxcount, CTLFLAG_RDTUN,
+SYSCTL_ULONG(_net_pf, OID_AUTO, request_maxcount, CTLFLAG_RW,
     &pf_ioctl_maxcount, 0, "Maximum number of tables, addresses, ... in a single ioctl() call");
 
 VNET_DEFINE(void *, pf_swi_cookie);