diff --git a/Source/main.c b/Source/main.c
--- a/Source/main.c
+++ b/Source/main.c
@@ -9,6 +9,7 @@
 #include "system/sysclk.h"
 #include "system/watchdog.h"
 #include "system/uart.h"
+#include "system/adc.h"
 #include "stm32f0xx_hal.h"
 #include "si446x/si446x.h"
 #include "aprs/aprs.h"
@@ -23,6 +24,7 @@ int main(void)
   sysclock_init();
   gpio_init();
 
+  adc_init();
 
   afsk_init();
   si446x_init();