diff --git a/libnvme/src/nvme/fabrics.c b/libnvme/src/nvme/fabrics.c
index 3ca0f22518..e480976d33 100644
--- a/libnvme/src/nvme/fabrics.c
+++ b/libnvme/src/nvme/fabrics.c
@@ -732,6 +732,21 @@ static int build_options(nvme_host_t h, nvme_ctrl_t c, char **argstr)
 
 	ctrlkey = nvme_ctrl_get_dhchap_key(c);
 
+	if (cfg->tls && cfg->concat) {
+		nvme_msg(h->ctx, LOG_ERR, "cannot specify --tls and --concat together\n");
+		return -ENVME_CONNECT_INVAL;
+	}
+
+	if (cfg->concat && !hostkey) {
+		nvme_msg(h->ctx, LOG_ERR, "required argument [--dhchap-secret | -S] not specified with --concat\n");
+		return -ENVME_CONNECT_INVAL;
+	}
+
+	if (cfg->concat && ctrlkey) {
+		nvme_msg(h->ctx, LOG_ERR, "cannot specify [--dhchap-ctrl-secret | -C] with --concat\n");
+		return -ENVME_CONNECT_INVAL;
+	}
+
 	if (cfg->tls) {
 		ret = __nvme_import_keys_from_config(h, c, &keyring_id, &key_id);
 		if (ret)