--- sys/kern/kern_jail.c	(revision 339006)
+++ sys/kern/kern_jail.c	(working copy)
@@ -1393,11 +1393,12 @@ kern_jail_set(struct thread *td, struct uio *optui
 		 * there is a duplicate on a jail with more than one
 		 * IP stop checking and return error.
 		 */
-		tppr = ppr;
 #ifdef VIMAGE
-		for (; tppr != &prison0; tppr = tppr->pr_parent)
+		for (tppr = ppr; tppr != &prison0; tppr = tppr->pr_parent)
 			if (tppr->pr_flags & PR_VNET)
 				break;
+#else
+		tppr = &prison0;
 #endif
 		FOREACH_PRISON_DESCENDANT(tppr, tpr, descend) {
 			if (tpr == pr ||
@@ -1460,11 +1461,12 @@ kern_jail_set(struct thread *td, struct uio *optui
 			}
 		}
 		/* Check for conflicting IP addresses. */
-		tppr = ppr;
 #ifdef VIMAGE
-		for (; tppr != &prison0; tppr = tppr->pr_parent)
+		for (tppr = ppr; tppr != &prison0; tppr = tppr->pr_parent)
 			if (tppr->pr_flags & PR_VNET)
 				break;
+#else
+		tppr = &prison0;
 #endif
 		FOREACH_PRISON_DESCENDANT(tppr, tpr, descend) {
 			if (tpr == pr ||