diff --git a/sys/kern/uipc_usrreq.c b/sys/kern/uipc_usrreq.c
index 4e6b3c413e18..6083983e7799 100644
--- a/sys/kern/uipc_usrreq.c
+++ b/sys/kern/uipc_usrreq.c
@@ -2348,7 +2348,7 @@ unp_scan(struct mbuf *m0, void (*op)(struct filedescent **, int))
 				}
 			}
 		}
-		m0 = m0->m_act;
+		m0 = m0->m_nextpkt;
 	}
 }
 
diff --git a/sys/net/if.c b/sys/net/if.c
index 5a05c97af18c..0d903da1f03c 100644
--- a/sys/net/if.c
+++ b/sys/net/if.c
@@ -2087,7 +2087,7 @@ if_qflush(struct ifnet *ifp)
 #endif
 	n = ifq->ifq_head;
 	while ((m = n) != 0) {
-		n = m->m_act;
+		n = m->m_nextpkt;
 		m_freem(m);
 	}
 	ifq->ifq_head = 0;
diff --git a/sys/net/if_spppsubr.c b/sys/net/if_spppsubr.c
index 74bcfa063039..3340612e6ff5 100644
--- a/sys/net/if_spppsubr.c
+++ b/sys/net/if_spppsubr.c
@@ -4753,7 +4753,7 @@ sppp_qflush(struct ifqueue *ifq)
 
 	n = ifq->ifq_head;
 	while ((m = n)) {
-		n = m->m_act;
+		n = m->m_nextpkt;
 		m_freem (m);
 	}
 	ifq->ifq_head = 0;