diff --git a/block/vdi.c b/block/vdi.c
index 96b78d5..0aeb940 100644
--- a/block/vdi.c
+++ b/block/vdi.c
@@ -361,6 +361,7 @@
     VdiHeader header;
     size_t bmap_size;
     int ret;
+    Error *local_err = NULL;
 
     logout("\n");
 
@@ -471,7 +472,12 @@
     error_setg(&s->migration_blocker, "The vdi format used by node '%s' "
                "does not support live migration",
                bdrv_get_device_or_node_name(bs));
-    migrate_add_blocker(s->migration_blocker);
+    ret = migrate_add_blocker(s->migration_blocker, &local_err);
+    if (local_err) {
+        error_propagate(errp, local_err);
+        error_free(s->migration_blocker);
+        goto fail_free_bmap;
+    }
 
     qemu_co_mutex_init(&s->write_lock);