diff --git a/platforms/nuttx/src/px4/stm/stm32_common/board_hw_info/board_hw_rev_ver.c b/platforms/nuttx/src/px4/stm/stm32_common/board_hw_info/board_hw_rev_ver.c
index 7dd0e76815..e6ed57e471 100644
--- a/platforms/nuttx/src/px4/stm/stm32_common/board_hw_info/board_hw_rev_ver.c
+++ b/platforms/nuttx/src/px4/stm/stm32_common/board_hw_info/board_hw_rev_ver.c
@@ -79,6 +79,14 @@ static char hw_info[] = HW_INFO_INIT;
 
 static int dn_to_ordinal(uint16_t dn)
 {
+	/* Table is scaled for 12, so if ADC is in 16 bit mode
+	 * scale the result
+	 */
+
+	if (px4_arch_adc_dn_fullcount() > (1 << 12)) {
+
+		dn /= (px4_arch_adc_dn_fullcount() / (1 << 12));
+	}
 
 	const struct {
 		uint16_t low;  // High(n-1) + 1
@@ -204,6 +212,7 @@ static int read_id_dn(int *id, uint32_t gpio_drive, uint32_t gpio_sense, int adc
 		if (px4_arch_adc_init(HW_REV_VER_ADC_BASE) == OK) {
 
 			/* Read the value */
+
 			for (unsigned av = 0; av < samples; av++) {
 				dn = px4_arch_adc_sample(HW_REV_VER_ADC_BASE, adc_channel);