diff --git a/primary.py b/primary.py
index e8b504bba70f2909a2be049ab5c620c3cd5c331c..4ba7feffc37e28b16d16e7f899113889032896ae 100644
--- a/primary.py
+++ b/primary.py
@@ -138,6 +138,7 @@ class Server:
                 arcname = path.decode('utf8', errors='surrogateescape')
                 try:
                     full_path = os.path.join(cwd, arcname)
+                    print('Add:', arcname, full_path, file=sys.stderr)
                     writer.add(full_path, arcname=arcname)
                 except FileNotFoundError:
                     self.log.MESSAGE("File disappeared '%s'" % full_path)