diff --git a/src/platform/nrf52/architecture.h b/src/platform/nrf52/architecture.h
index d5685d611..ebb847dc8 100644
--- a/src/platform/nrf52/architecture.h
+++ b/src/platform/nrf52/architecture.h
@@ -62,6 +62,8 @@
 #define HW_VENDOR meshtastic_HardwareModel_WIO_WM1110
 #elif defined(TRACKER_T1000_E)
 #define HW_VENDOR meshtastic_HardwareModel_TRACKER_T1000_E
+#elif defined(ME25LS01)
+#define HW_VENDOR meshtastic_HardwareModel_ME25LS01
 #elif defined(PRIVATE_HW) || defined(FEATHER_DIY)
 #define HW_VENDOR meshtastic_HardwareModel_PRIVATE_HW
 #else
@@ -116,4 +118,4 @@
 #if !defined(PIN_SERIAL_RX) && !defined(NRF52840_XXAA)
 // No serial ports on this board - ONLY use segger in memory console
 #define USE_SEGGER
-#endif
\ No newline at end of file
+#endif
diff --git a/variants/ME25LS01-4Y10TD/variant.h b/variants/ME25LS01-4Y10TD/variant.h
index 24ed65b33..715de8ee6 100644
--- a/variants/ME25LS01-4Y10TD/variant.h
+++ b/variants/ME25LS01-4Y10TD/variant.h
@@ -126,7 +126,7 @@ extern "C" {
 #define VBAT_AR_INTERNAL AR_INTERNAL_3_0
 
 // Buzzer
-#define BUZZER_EN_PIN -1
+#define PIN_BUZZER (0 + 25)
 
 #ifdef __cplusplus
 }
@@ -136,4 +136,4 @@ extern "C" {
  *        Arduino objects - C++ only
  *----------------------------------------------------------------------------*/
 
-#endif // _VARIANT_ME25LS01_4Y10TD_
\ No newline at end of file
+#endif // _VARIANT_ME25LS01_4Y10TD_
diff --git a/variants/ME25LS01-4Y10TD_e-ink/variant.h b/variants/ME25LS01-4Y10TD_e-ink/variant.h
index 7c7740505..9006d5a63 100644
--- a/variants/ME25LS01-4Y10TD_e-ink/variant.h
+++ b/variants/ME25LS01-4Y10TD_e-ink/variant.h
@@ -149,7 +149,7 @@ static const uint8_t SCK = PIN_SPI_SCK;
 #define VBAT_AR_INTERNAL AR_INTERNAL_3_0
 
 // Buzzer
-#define BUZZER_EN_PIN -1
+#define PIN_BUZZER (0 + 25)
 
 #ifdef __cplusplus
 }
@@ -159,4 +159,4 @@ static const uint8_t SCK = PIN_SPI_SCK;
  *        Arduino objects - C++ only
  *----------------------------------------------------------------------------*/
 
-#endif // _VARIANT_ME25LS01_4Y10TD__
\ No newline at end of file
+#endif // _VARIANT_ME25LS01_4Y10TD__