diff --git a/src/handshake.c b/src/handshake.c
index f7869a0..c489c29 100644
--- a/src/handshake.c
+++ b/src/handshake.c
@@ -82,7 +82,7 @@ void handshake(){
         requestListen = true; //?? direct luisteren naar requests na 
         
         char topic[128];
-        sprintf(&topic, "ems20/$s/reply", requestFrom);
+        sprintf(&topic, "ems20/handshake/$s/reply", requestFrom);
         MQTTPublish(&topic[0], &yourName[0]);
     }else{ // send request
         replyListen = true;