diff --git a/sys/dev/qlxgbe/ql_os.c b/sys/dev/qlxgbe/ql_os.c
index b7cda78f672f..77efe6d65782 100644
--- a/sys/dev/qlxgbe/ql_os.c
+++ b/sys/dev/qlxgbe/ql_os.c
@@ -735,6 +735,7 @@ ql_alloc_dmabuf_exit:
 void
 ql_free_dmabuf(qla_host_t *ha, qla_dma_t *dma_buf)
 {
+	bus_dmamap_unload(dma_buf->dma_tag, dma_buf->dma_map); 
         bus_dmamem_free(dma_buf->dma_tag, dma_buf->dma_b, dma_buf->dma_map);
         bus_dma_tag_destroy(dma_buf->dma_tag);
 }