diff --git a/samples/bip.conf b/samples/bip.conf
index e05500f..ec187ba 100644
--- a/samples/bip.conf
+++ b/samples/bip.conf
@@ -15,6 +15,8 @@ client_side_ssl = false;
 
 log_level = 3;
 
+#pid_file="/var/run/bip/bip.pid";
+
 # This is where logs go. Channel and private messages will use that
 # configuration value as a prefix, and then log_format to determine
 # full log filename.