diff --git a/opendkim/files/opendkim.conf b/opendkim/files/opendkim.conf
index e881694b..c8c4d385 100644
--- a/opendkim/files/opendkim.conf
+++ b/opendkim/files/opendkim.conf
@@ -1,5 +1,5 @@
-UserID                  opendkim
-Socket                  inet:54321:127.0.0.1
+UserID                  opendkim:opendkim
+Socket                  inet:54321@127.0.0.1
 PidFile                 /var/run/opendkim/opendkim.pid
 OversignHeaders         From
 TrustAnchorFile         /usr/share/dns/root.key