From 1e53a25d038dbbdd62289741d03858844b24807a Mon Sep 17 00:00:00 2001
From: Marius Gripp <m.gripp@greyrook.com>
Date: Thu, 29 Aug 2019 14:55:31 +0200
Subject: [PATCH] typo

---
 src/lorawan.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lorawan.cpp b/src/lorawan.cpp
index ca4425f1..c4ef37e3 100644
--- a/src/lorawan.cpp
+++ b/src/lorawan.cpp
@@ -265,7 +265,7 @@ void onEvent(ev_t ev) {
 
 #if (TIME_SYNC_LORASERVER)
           // timesync answer -> call timesync processor
-          if ((LMIC.frame[LMIC.dataBeg] == TIMEPORT) {
+          if (LMIC.frame[LMIC.dataBeg - 1] == TIMEPORT) {
             recv_timesync_ans(LMIC.frame + LMIC.dataBeg, LMIC.dataLen);
             break;
           }