diff --git a/targets/nrf5x/jshardware.c b/targets/nrf5x/jshardware.c
index 2ae3c69d4b..e2a24348a2 100644
--- a/targets/nrf5x/jshardware.c
+++ b/targets/nrf5x/jshardware.c
@@ -2805,7 +2805,10 @@ JsVarFloat jshReadVRef() {
   config.gain = NRF_SAADC_GAIN1_6; // 1/6 of input volts
   config.mode = NRF_SAADC_MODE_SINGLE_ENDED;
 
-#if defined(NRF52833) || defined(NRF52840)
+#if defined(NRF52833) || defined(NRF52840) && !defined(BANGLEJS2)
+  #define ESPR_VREF_VDDH
+#endif
+#ifdef ESPR_VREF_VDDH
   config.pin_p = 0x0D; // Not in Nordic's libs, but this is VDDHDIV5 - we probably want to be looking at VDDH
   config.pin_n = 0x0D;
 #else
@@ -2829,7 +2832,7 @@ JsVarFloat jshReadVRef() {
     f = nrf_analog_read() * (6.0 * 0.6 / 16384.0);
   } while (nrf_analog_read_interrupted);
   nrf_analog_read_end(adcInUse);
-#if defined(NRF52833) || defined(NRF52840)
+#ifdef ESPR_VREF_VDDH
   f *= 5; // we were on VDDHDIV5
 #endif