diff --git a/sys/amd64/amd64/pmap.c b/sys/amd64/amd64/pmap.c
index 5a6c2b47993..406ff7744e5 100644
--- a/sys/amd64/amd64/pmap.c
+++ b/sys/amd64/amd64/pmap.c
@@ -10504,8 +10504,7 @@ pmap_map_io_transient(vm_page_t page[], vm_offset_t vaddr[], int count,
 {
 	vm_paddr_t paddr;
 	bool needs_mapping;
-	pt_entry_t *pte;
-	int cache_bits, error __unused, i;
+	int error __unused, i;
 
 	/*
 	 * Allocate any KVA space that we need, this is done in a separate
@@ -10550,11 +10549,8 @@ pmap_map_io_transient(vm_page_t page[], vm_offset_t vaddr[], int count,
 				 */
 				pmap_qenter(vaddr[i], &page[i], 1);
 			} else {
-				pte = vtopte(vaddr[i]);
-				cache_bits = pmap_cache_bits(kernel_pmap,
-				    page[i]->md.pat_mode, false);
-				pte_store(pte, paddr | X86_PG_RW | X86_PG_V |
-				    cache_bits);
+				pmap_kenter_attr(vaddr[i], paddr,
+				    page[i]->md.pat_mode);
 				pmap_invlpg(kernel_pmap, vaddr[i]);
 			}
 		}