diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c
index 1157953..9166d79 100644
--- a/hw/block/virtio-blk.c
+++ b/hw/block/virtio-blk.c
@@ -1060,7 +1060,7 @@
     VirtIOBlock *s = opaque;
     uint16_t num_queues = s->conf.num_queues;
     g_autofree VirtIOBlockReq **vq_rq = NULL;
-    VirtIOBlockReq *rq;
+    VirtIOBlockReq *rq = NULL;
 
     if (!running) {
         return;