diff --git a/sys/dev/nvme/nvme_ctrlr.c b/sys/dev/nvme/nvme_ctrlr.c
--- a/sys/dev/nvme/nvme_ctrlr.c
+++ b/sys/dev/nvme/nvme_ctrlr.c
@@ -907,7 +907,7 @@
 
 	size = sizeof(struct nvme_hmb_desc) * ctrlr->hmb_nchunks;
 	err = bus_dma_tag_create(bus_get_dma_tag(ctrlr->dev),
-	    16, 0, BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, NULL, NULL,
+	    PAGE_SIZE, 0, BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, NULL, NULL,
 	    size, 1, size, 0, NULL, NULL, &ctrlr->hmb_desc_tag);
 	if (err != 0) {
 		nvme_printf(ctrlr, "HMB desc tag create failed %d\n", err);