diff --git a/Transceiver52M/radioInterface.cpp b/Transceiver52M/radioInterface.cpp
index 369f2ac..14a4fc2 100644
--- a/Transceiver52M/radioInterface.cpp
+++ b/Transceiver52M/radioInterface.cpp
@@ -185,6 +185,9 @@
   if (!mRadio->start())
     return false;
 
+  recvCursor = 0;
+  sendCursor = 0;
+
   writeTimestamp = mRadio->initialWriteTimestamp();
   readTimestamp = mRadio->initialReadTimestamp();