diff --git a/sys/vm/vm_page.c b/sys/vm/vm_page.c
index 496fce9fcf7a..8e76727dba38 100644
--- a/sys/vm/vm_page.c
+++ b/sys/vm/vm_page.c
@@ -1684,7 +1684,7 @@ vm_page_alloc_contig(vm_object_t object, vm_pindex_t pindex, int req,
 	}
 	for (m = m_ret; m < &m_ret[npages]; m++) {
 		m->aflags = 0;
-		m->flags &= flags;
+		m->flags = (m->flags | PG_NODUMP) & flags;
 		if ((req & VM_ALLOC_WIRED) != 0)
 			m->wire_count = 1;
 		/* Unmanaged pages don't use "act_count". */