diff --git a/lib/nvmf/vfio_user.c b/lib/nvmf/vfio_user.c
index 209775b9b..19e0c94d6 100644
--- a/lib/nvmf/vfio_user.c
+++ b/lib/nvmf/vfio_user.c
@@ -415,6 +415,7 @@ struct nvmf_vfio_user_transport_opts {
 	bool					disable_mappable_bar0;
 	bool					disable_adaptive_irq;
 	bool					disable_shadow_doorbells;
+	bool					disable_compare;
 };
 
 struct nvmf_vfio_user_transport {
@@ -1116,6 +1117,11 @@ static const struct spdk_json_object_decoder vfio_user_transport_opts_decoder[]
 		offsetof(struct nvmf_vfio_user_transport, transport_opts.disable_shadow_doorbells),
 		spdk_json_decode_bool, true
 	},
+	{
+		"disable_compare",
+		offsetof(struct nvmf_vfio_user_transport, transport_opts.disable_compare),
+		spdk_json_decode_bool, true
+	},
 };
 
 static struct spdk_nvmf_transport *
@@ -4211,9 +4217,11 @@ nvmf_vfio_user_cdata_init(struct spdk_nvmf_transport *transport,
 	cdata->ieee[2] = 0x50;
 	memset(&cdata->sgls, 0, sizeof(struct spdk_nvme_cdata_sgls));
 	cdata->sgls.supported = SPDK_NVME_SGLS_SUPPORTED_DWORD_ALIGNED;
+	cdata->oncs.compare = !vu_transport->transport_opts.disable_compare;
 	/* libvfio-user can only support 1 connection for now */
 	cdata->oncs.reservations = 0;
 	cdata->oacs.doorbell_buffer_config = !vu_transport->transport_opts.disable_shadow_doorbells;
+	cdata->fuses.compare_and_write = !vu_transport->transport_opts.disable_compare;
 }
 
 static int