Index: sys/netpfil/pf/pf.c
===================================================================
--- sys/netpfil/pf/pf.c
+++ sys/netpfil/pf/pf.c
@@ -716,7 +716,7 @@
     struct pf_addr *src, sa_family_t af)
 {
 
-	KASSERT((rule->rule_flag & PFRULE_RULESRCTRACK ||
+	KASSERT((rule->rule_flag & PFRULE_SRCTRACK ||
 	    rule->rpool.opts & PF_POOL_STICKYADDR),
 	    ("%s for non-tracking rule %p", __func__, rule));