diff --git a/sys/netpfil/pf/if_pfsync.c b/sys/netpfil/pf/if_pfsync.c
index 9464d1ea86b5..a4086e29c71d 100644
--- a/sys/netpfil/pf/if_pfsync.c
+++ b/sys/netpfil/pf/if_pfsync.c
@@ -335,6 +335,7 @@ pfsync_clone_create(struct if_clone *ifc, int unit, caddr_t param)
 		pfsync_buckets = mp_ncpus * 2;
 
 	sc = malloc(sizeof(struct pfsync_softc), M_PFSYNC, M_WAITOK | M_ZERO);
+	sc->sc_flags |= PFSYNCF_OK;
 	sc->sc_maxupdates = 128;
 
 	ifp = sc->sc_ifp = if_alloc(IFT_PFSYNC);