diff --git a/primary.py b/primary.py
index 4ba7feffc37e28b16d16e7f899113889032896ae..938527232de1ae7913cca0b594da6f59a0bf025c 100644
--- a/primary.py
+++ b/primary.py
@@ -122,6 +122,7 @@ class Server:
                     pos = buf.find(b'\x00')
                     if pos == -1:
                         tmp = f.read(4096)
+                        print('Got:', len(tmp), file=sys.stderr)
                         if len(tmp) == 0:
                             if len(buf) == 0:
                                 return