diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c
index 65d5aaf08a..4580f3efd8 100644
--- a/hw/virtio/vhost-vdpa.c
+++ b/hw/virtio/vhost-vdpa.c
@@ -37,7 +37,7 @@ static bool vhost_vdpa_listener_skipped_section(MemoryRegionSection *section)
 static int vhost_vdpa_dma_map(struct vhost_vdpa *v, hwaddr iova, hwaddr size,
                               void *vaddr, bool readonly)
 {
-    struct vhost_msg_v2 msg;
+    struct vhost_msg_v2 msg = {};
     int fd = v->device_fd;
     int ret = 0;
 
@@ -60,7 +60,7 @@ static int vhost_vdpa_dma_map(struct vhost_vdpa *v, hwaddr iova, hwaddr size,
 static int vhost_vdpa_dma_unmap(struct vhost_vdpa *v, hwaddr iova,
                                 hwaddr size)
 {
-    struct vhost_msg_v2 msg;
+    struct vhost_msg_v2 msg = {};
     int fd = v->device_fd;
     int ret = 0;