diff --git a/ports/mimxrt/machine_adc.c b/ports/mimxrt/machine_adc.c
index c332bd7031..da5b20a8c7 100644
--- a/ports/mimxrt/machine_adc.c
+++ b/ports/mimxrt/machine_adc.c
@@ -126,6 +126,7 @@ void machine_adc_init(void) {
     adc_config.enableAnalogPreliminary = true;
     adc_config.referenceVoltageSource = kLPADC_ReferenceVoltageAlt1;
     LPADC_Init(LPADC1, &adc_config);
+    LPADC_Init(LPADC2, &adc_config);
 }
 
 #else