diff --git a/sys/kern/kern_jail.c b/sys/kern/kern_jail.c
--- a/sys/kern/kern_jail.c
+++ b/sys/kern/kern_jail.c
@@ -654,7 +654,7 @@
 	if (ppr->pr_addrs[af] != NULL) {
 		pr->pr_addrs[af] = prison_ip_alloc(af,
 		    ppr->pr_addrs[af]->ips, M_WAITOK);
-		bcopy(ppr->pr_addrs[af], pr->pr_addrs[af],
+		bcopy(ppr->pr_addrs[af] + 1, pr->pr_addrs[af] + 1,
 		    pr->pr_addrs[af]->ips * pr_families[af].size);
 	}
 }
@@ -814,7 +814,7 @@
 		alloced = false;
 	if (!(pr->pr_flags & pr_families[af].ip_flag)) {
 		/* This has no user settings, so just copy the parent's list. */
-		bcopy(ppip, new, ips * size);
+		bcopy(ppip + 1, new + 1, ips * size);
 	} else {
 		/* Remove addresses that aren't in the parent. */
 		int i;
@@ -846,7 +846,7 @@
 				i++;
 				break;
 			case 0:
-				bcopy(PR_IP(pr, i), PR_IPD(new, ips), size);
+				bcopy(PR_IP(pip, i), PR_IPD(new, ips), size);
 				i++;
 				pi++;
 				ips++;