diff --git a/sys/ia64/ia64/pmap.c b/sys/ia64/ia64/pmap.c
index c08eb0e5e895..beb538e44d2d 100644
--- a/sys/ia64/ia64/pmap.c
+++ b/sys/ia64/ia64/pmap.c
@@ -1595,7 +1595,7 @@ pmap_enter(pmap_t pmap, vm_offset_t va, vm_prot_t access, vm_page_t m,
 	if (icache_inval)
 		ia64_sync_icache(va, PAGE_SIZE);
 
-	if ((prot & VM_PROT_WRITE) != 0)
+	if ((prot & VM_PROT_WRITE) != 0 && managed)
 		vm_page_flag_set(m, PG_WRITEABLE);
 	vm_page_unlock_queues();
 	pmap_switch(oldpmap);