diff --git a/src/mergerfs.cpp b/src/mergerfs.cpp
index 9cec7a99..2b9939d7 100644
--- a/src/mergerfs.cpp
+++ b/src/mergerfs.cpp
@@ -381,6 +381,9 @@ main(int    argc_,
      char **argv_)
 {
   state.root_fd = open("/",O_PATH);
+  fmt::println("root fd = {}",state.root_fd);
+
+  return 0;
 
   return ::_pick_app_and_run(argc_,argv_);
 }