diff --git a/variants/diy/nrf52_promicro_diy_tcxo/variant.h b/variants/diy/nrf52_promicro_diy_tcxo/variant.h
index ba9fcdb4f..efeed5b28 100644
--- a/variants/diy/nrf52_promicro_diy_tcxo/variant.h
+++ b/variants/diy/nrf52_promicro_diy_tcxo/variant.h
@@ -153,7 +153,7 @@ NRF52 PRO MICRO PIN ASSIGNMENT
 #define LR1121_SPI_SCK_PIN LORA_SCK
 #define LR1121_SPI_MOSI_PIN LORA_MOSI
 #define LR1121_SPI_MISO_PIN LORA_MISO
-#define LR11X0_DIO3_TCXO_VOLTAGE 1.6
+#define LR11X0_DIO3_TCXO_VOLTAGE 1.8
 #define LR11X0_DIO_AS_RF_SWITCH
 #endif