diff --git a/plugins/provider-acp/server.ts b/plugins/provider-acp/server.ts
index 6fc30b6d8..2441ae05a 100644
--- a/plugins/provider-acp/server.ts
+++ b/plugins/provider-acp/server.ts
@@ -16,7 +16,7 @@ export default function plugin(bb: BbPluginApi) {
     capabilities: {
       supportsServiceTier: true,
       supportsNativeUserQuestion: false,
-      fork: "tip",
+      fork: "none",
       supportsManualCompaction: false,
       supportsThreadArchive: false,
       supportsThreadRename: false,