diff --git a/hgext/largefiles/__init__.py b/hgext/largefiles/__init__.py
--- a/hgext/largefiles/__init__.py
+++ b/hgext/largefiles/__init__.py
@@ -92,6 +92,8 @@ import lfcommands
 import reposetup
 import uisetup
 
+testedwith = 'internal'
+
 reposetup = reposetup.reposetup
 uisetup = uisetup.uisetup