diff --git a/lib/transport.js b/lib/transport.js
index 06050e0..d61677f 100644
--- a/lib/transport.js
+++ b/lib/transport.js
@@ -79,6 +79,8 @@ exports.send = async (partner, msg) => {
     if (typeof partner !== 'string' || !partner.trim()) return;
     if (typeof msg !== 'string' || !msg.trim()) return;
 
+    if (msg.trim().search(/PROSES$/) >= 0) return;
+
     const xid = uniqid();
     logger.info('TRANSPORT: Got CORE message to forward to EVO-CP', {
         xid,