diff --git a/lib/include/adc.h b/lib/include/adc.h
index 580e3545e..66dfa1f8a 100644
--- a/lib/include/adc.h
+++ b/lib/include/adc.h
@@ -98,7 +98,7 @@ struct ADC_struct {
 			uint16_t TIMER1_ON:1;
 			uint16_t TIMER2_ON:1;
 			uint16_t SOFT_RESET:1;
-			uint16_t AD1_FREFHL_EN:1;
+			uint16_t AD1_VREFHL_EN:1;
 			uint16_t AD2_VREFHL_EN:1;
 			uint16_t :6;
 			uint16_t COMPARE_IRQ_MASK:1;