diff --git a/include/icsneo/device/tree/radgigalog/radgigalog.h b/include/icsneo/device/tree/radgigalog/radgigalog.h
index 4af8ba2..5d5abd8 100644
--- a/include/icsneo/device/tree/radgigalog/radgigalog.h
+++ b/include/icsneo/device/tree/radgigalog/radgigalog.h
@@ -12,7 +12,7 @@ namespace icsneo {
 class RADGigalog : public Device {
 public:
 	static constexpr DeviceType::Enum DEVICE_TYPE = DeviceType::RADGigalog;
-	static constexpr const char* SERIAL_START = "RG";
+	static constexpr const char* SERIAL_START = "GL";
 
 protected:
 	RADGigalog(neodevice_t neodevice) : Device(neodevice) {