diff --git a/spectrum/src/sample.cfg b/spectrum/src/sample.cfg
index edb5af77b0daf70d9727edcba749e30e6db116ac..53580758e3c1b6570d4eda4399fbbf1e57302fc0 100644
--- a/spectrum/src/sample.cfg
+++ b/spectrum/src/sample.cfg
@@ -4,7 +4,7 @@ password = secret
 server = 127.0.0.1
 port = 5222
 server_mode = 1
-backend_host=localhost
+backend_host=127.0.0.1
 pidfile=./test.pid
 # < this option doesn't work yet
 #backend_port=10001