diff --git a/block/nbd.c b/block/nbd.c
index f3a036354d..1c99654ef7 100644
--- a/block/nbd.c
+++ b/block/nbd.c
@@ -2140,6 +2140,12 @@ static SocketAddress *nbd_config(BDRVNBDState *s, QDict *options,
         goto done;
     }
 
+    if (socket_address_parse_named_fd(saddr, errp) < 0) {
+        qapi_free_SocketAddress(saddr);
+        saddr = NULL;
+        goto done;
+    }
+
 done:
     qobject_unref(addr);
     visit_free(iv);