diff --git a/docker/settings.json.tmpl b/docker/settings.json.tmpl
index f42f956..6ffa71f 100644
--- a/docker/settings.json.tmpl
+++ b/docker/settings.json.tmpl
@@ -222,6 +222,7 @@
   },
 
   "sync": {
-    "block_parallel_tasks": 1
+    "block_parallel_tasks": 1,
+    "supply": "TXOUTSET"
   }
 }