diff --git a/variants/rak4631/RAK4631Board.cpp b/variants/rak4631/RAK4631Board.cpp
index cb7d1930..65c54711 100644
--- a/variants/rak4631/RAK4631Board.cpp
+++ b/variants/rak4631/RAK4631Board.cpp
@@ -4,7 +4,7 @@
 #include "RAK4631Board.h"
 
 void RAK4631Board::begin() {
-  NRF52Board::begin();
+  NRF52BoardDCDC::begin();
   pinMode(PIN_VBAT_READ, INPUT);
 #ifdef PIN_USER_BTN
   pinMode(PIN_USER_BTN, INPUT_PULLUP);
diff --git a/variants/rak4631/RAK4631Board.h b/variants/rak4631/RAK4631Board.h
index b329cdeb..a181256b 100644
--- a/variants/rak4631/RAK4631Board.h
+++ b/variants/rak4631/RAK4631Board.h
@@ -29,7 +29,7 @@
 #define  PIN_VBAT_READ    5
 #define  ADC_MULTIPLIER   (3 * 1.73 * 1.187 * 1000)
 
-class RAK4631Board : public NRF52BoardOTA {
+class RAK4631Board : public NRF52BoardDCDC, public NRF52BoardOTA {
 public:
   RAK4631Board() : NRF52BoardOTA("RAK4631_OTA") {}
   void begin();