diff --git a/stm32f303/src/main.c b/stm32f303/src/main.c
index 34c3d194..f90fbc3b 100644
--- a/stm32f303/src/main.c
+++ b/stm32f303/src/main.c
@@ -57,6 +57,7 @@
 #include "version.h"
 #include "common.h"
 #include "commands.h"
+#include "f3hw.h"
 
 uint32_t systick_freq;
 CRC_HandleTypeDef hcrc;