1 files changed, 4 insertions, 0 deletions

diff --git a/firmware/drivers/adc.h b/firmware/drivers/adc.h
index 0c05f4d0f8..9c90cb08a7 100644
--- a/firmware/drivers/adc.h
+++ b/firmware/drivers/adc.h
@@ -23,8 +23,12 @@
 
 #define ADC_BATTERY             0 /* Battery voltage always reads 0x3FF due to
                                      silly scaling */
+#ifdef HAVE_FMADC
+#define ADC_CHARGE_REGULATOR    0 /* Uh, we read the battery voltage? */
+#else
 #define ADC_CHARGE_REGULATOR    1 /* Regulator reference voltage, should read
                                      about 0x1c0 when charging, else 0x3FF */
+#endif
 #define ADC_USB_POWER           2 /* USB, reads 0x3FF when USB is inserted */
 
 #define ADC_BUTTON_ROW1         4 /* Used for scanning the keys, different