diff --git a/block/nbd.c b/block/nbd.c
index 34b9429de3..567872ac53 100644
--- a/block/nbd.c
+++ b/block/nbd.c
@@ -533,8 +533,8 @@ err:
         if (i != -1) {
             s->requests[i].coroutine = NULL;
             s->in_flight--;
-            qemu_co_queue_next(&s->free_sema);
         }
+        qemu_co_queue_next(&s->free_sema);
     }
     qemu_co_mutex_unlock(&s->send_mutex);
     return rc;