diff --git a/src/config.hpp b/src/config.hpp
index da3f74f7..527b5aaa 100644
--- a/src/config.hpp
+++ b/src/config.hpp
@@ -146,6 +146,7 @@ public:
   ConfigINT      fuse_process_thread_count;
   ConfigINT      fuse_process_thread_queue_depth;
   ConfigSTR      fuse_pin_threads;
+  TFSRef<s64>    uid;
   ConfigSTR      version;
   ConfigBOOL     writeback_cache;
   XAttr          xattr;