diff --git a/gtk2_ardour/main.cc b/gtk2_ardour/main.cc
index 6f03c5828d..353949c526 100644
--- a/gtk2_ardour/main.cc
+++ b/gtk2_ardour/main.cc
@@ -319,6 +319,8 @@ fixup_bundle_environment (int argc, char* argv[])
 	const char *cstr = getenv ("PATH");
         Glib::ustring userconfigdir = user_config_directory().to_string();
 
+        cerr << "Ardour: bundle root = " << dir_path << endl;
+
 	/* ensure that we find any bundled executables (e.g. JACK),
 	   and find them before any instances of the same name
 	   elsewhere in PATH