diff --git a/sw/airborne/arch/lpc21/mcu_periph/adc_arch.h b/sw/airborne/arch/lpc21/mcu_periph/adc_arch.h
index 9313608176..e056e92219 100644
--- a/sw/airborne/arch/lpc21/mcu_periph/adc_arch.h
+++ b/sw/airborne/arch/lpc21/mcu_periph/adc_arch.h
@@ -32,6 +32,11 @@
 
 #include BOARD_CONFIG
 
+/* Set the correct ADC resolution */
+#ifndef ADC_RESOLUTION
+#define ADC_RESOLUTION 1024
+#endif
+
 /** 8 ADCs for bank 0, others for bank 2 */
 #define NB_ADC 8
 
diff --git a/sw/airborne/arch/stm32/mcu_periph/adc_arch.h b/sw/airborne/arch/stm32/mcu_periph/adc_arch.h
index fb1363ce7a..5ebed8965b 100644
--- a/sw/airborne/arch/stm32/mcu_periph/adc_arch.h
+++ b/sw/airborne/arch/stm32/mcu_periph/adc_arch.h
@@ -32,6 +32,11 @@
 
 #include BOARD_CONFIG
 
+/* Set the correct ADC resolution */
+#ifndef ADC_RESOLUTION
+#define ADC_RESOLUTION 4096
+#endif
+
 enum adc1_channels {
 #ifdef AD1_1_CHANNEL
   AD1_1,
diff --git a/sw/airborne/mcu_periph/adc.h b/sw/airborne/mcu_periph/adc.h
index ee6cd692a9..5ac865ab13 100644
--- a/sw/airborne/mcu_periph/adc.h
+++ b/sw/airborne/mcu_periph/adc.h
@@ -45,15 +45,6 @@
  microcontroller architecture.
 */
 
-/* Set the correct ADC resolution */
-#ifndef ADC_RESOLUTION
-#if defined(STM32F1) || defined(STM32F4)
-#define ADC_RESOLUTION 4096
-#else
-#define ADC_RESOLUTION 1024
-#endif
-#endif
-
 /**
     Struct to collect samples from ADC and building an average
     over MAX_AV_NB_SAMPLE values.