diff --git a/xmlout.js b/xmlout.js
index 15dee38..a02a963 100644
--- a/xmlout.js
+++ b/xmlout.js
@@ -179,7 +179,6 @@ function prefixMessageWithSN(data) {
     if (data['MESSAGE'].search(/^SN=.+;/) == -1) {
         if (data['SN'] && data['SN'].trim()) {
             sn = data['SN'].trim();
-            return 'SN=' + data['SN'].trim() + '; ' + data['MESSAGE'];
         }
         else if (config.h2h_out.parse_sn == 'YES') {
             sn = parseSN(data['MESSAGE']);