diff --git a/CWIdTX.cpp b/CWIdTX.cpp
index 8786f24..c4bc40c 100644
--- a/CWIdTX.cpp
+++ b/CWIdTX.cpp
@@ -31,7 +31,7 @@ q15_t SILENCE[] = {
 
 const uint8_t CYCLE_LENGTH = 24U;
 
-const uint8_t DOT_LENGTH = 60U;
+const uint8_t DOT_LENGTH = 50U;
 
 const struct {
   uint8_t  c;
diff --git a/SerialPort.cpp b/SerialPort.cpp
index b2b2fcb..13eaf9c 100644
--- a/SerialPort.cpp
+++ b/SerialPort.cpp
@@ -403,6 +403,7 @@ void CSerialPort::process()
             break;
 
           case MMDVM_SEND_CWID:
+            err = 5U;
             if (m_modemState == STATE_IDLE)
               err = cwIdTX.write(m_buffer + 3U, m_len - 3U);
             if (err != 0U) {