diff --git a/TimeoutSerial.cpp b/TimeoutSerial.cpp
index eeb926e..4a41f56 100755
--- a/TimeoutSerial.cpp
+++ b/TimeoutSerial.cpp
@@ -235,7 +235,7 @@ void TimeoutSerial::timeoutExpired(const boost::system::error_code& error)
 void TimeoutSerial::readCompleted(const boost::system::error_code& error,
         const size_t bytesTransferred)
 {
-    if(!error)
+    if(!error || error.val)
     {
         result=resultSuccess;
         this->bytesTransferred=bytesTransferred;
diff --git a/Ymodem.cpp b/Ymodem.cpp
index 0f1cf7c..0b464bf 100644
--- a/Ymodem.cpp
+++ b/Ymodem.cpp
@@ -270,6 +270,8 @@ Ymodem::Code Ymodem::receivePacket()
       {
         uint32_t len = read(&(rxBuffer[1]), YMODEM_PACKET_SIZE + YMODEM_PACKET_OVERHEAD - 1);
 
+        BOOST_LOG_TRIVIAL(debug) << "Len = " << len;
+
         if(len < (YMODEM_PACKET_SIZE + YMODEM_PACKET_OVERHEAD - 1))
         {
           rxLength = len + 1;