diff --git a/spectrum/src/sample.cfg b/spectrum/src/sample.cfg
index 2362914e972cf59935f7207a234b4b1ec98ce6d5..1b4f17b9ed7255b6866bbc5b8222e7dd6245d6a8 100644
--- a/spectrum/src/sample.cfg
+++ b/spectrum/src/sample.cfg
@@ -20,6 +20,7 @@ protocol=prpl-msn
 #protocol=any
 #protocol=prpl-icq
 working_dir=./
+portfile=$jid.port
 
 [backend]
 #default_avatar=catmelonhead.jpg