diff --git a/spectrum/src/sample2.cfg b/spectrum/src/sample2.cfg
index cc0a7aef..6cad8d9d 100644
--- a/spectrum/src/sample2.cfg
+++ b/spectrum/src/sample2.cfg
@@ -41,7 +41,7 @@ users_per_backend=10
 backend=/usr/bin/spectrum2_libpurple_backend
 #backend=/usr/bin/spectrum2_libcommuni_backend
 # For skype:
-#backend=/usr/bin/xvfb-run -n BACKEND_ID -s "-screen 0 10x10x8" -f /tmp/x-skype-gw /usr/bin/spectrum2_skype_backend
+#backend=/usr/bin/xvfb-run -a -s "-screen 0 10x10x8" -f /tmp/x-skype-gw /usr/bin/spectrum2_skype_backend
 
 # Libpurple protocol-id for spectrum_libpurple_backend
 protocol=prpl-jabber