diff --git a/M17TX.cpp b/M17TX.cpp
index 05acce2..7002aae 100644
--- a/M17TX.cpp
+++ b/M17TX.cpp
@@ -114,7 +114,7 @@ void CM17TX::process()
   }
 }
 
-uint8_t CM17TX::writeHeader(const uint8_t* data, uint8_t length)
+uint8_t CM17TX::writeLinkSetup(const uint8_t* data, uint8_t length)
 {
   if (length != (M17_FRAME_LENGTH_BYTES + 1U))
     return 4U;
diff --git a/M17TX.h b/M17TX.h
index c7db314..e9e8788 100644
--- a/M17TX.h
+++ b/M17TX.h
@@ -29,7 +29,7 @@ class CM17TX {
 public:
   CM17TX();
 
-  uint8_t writeHeader(const uint8_t* data, uint8_t length);
+  uint8_t writeLinkSetup(const uint8_t* data, uint8_t length);
   uint8_t writeStream(const uint8_t* data, uint8_t length);
   uint8_t writeEOT();
 
diff --git a/SerialPort.cpp b/SerialPort.cpp
index 8442320..0686e06 100644
--- a/SerialPort.cpp
+++ b/SerialPort.cpp
@@ -1306,7 +1306,7 @@ void CSerialPort::processMessage(uint8_t type, const uint8_t* buffer, uint16_t l
     case MMDVM_M17_LINK_SETUP:
       if (m_m17Enable) {
         if (m_modemState == STATE_IDLE || m_modemState == STATE_M17)
-          err = m17TX.writeHeader(buffer, length);
+          err = m17TX.writeLinkSetup(buffer, length);
       }
       if (err == 0U) {
         if (m_modemState == STATE_IDLE)