diff --git a/src/session.c b/src/session.c
index d76e8ab1..d09add30 100644
--- a/src/session.c
+++ b/src/session.c
@@ -75,7 +75,8 @@ int handle_smtp_session(int new_sd, struct __data *data, struct __config *cfg){
 #endif
 
    if(db_conn == 0){
-      send(new_sd, SMTP_RESP_421_ERR_TMP, strlen(SMTP_RESP_421_ERR_TMP), 0);
+      snprintf(buf, MAXBUFSIZE-1, SMTP_RESP_421_ERR_TMP, cfg->hostid);
+      send(new_sd, buf, strlen(buf), 0);
       syslog(LOG_PRIORITY, "cannot make prepared statement");
       return 0;
    }