diff --git a/inc/can.h b/inc/can.h
--- a/inc/can.h
+++ b/inc/can.h
@@ -1,5 +1,5 @@
-#ifndef __CAN_H
-#define __CAN_H
+#ifndef _CAN_H_
+#define _CAN_H_
 
 #include <stdbool.h>
 #include <string.h>
@@ -18,4 +18,4 @@ void can_set_receive_mask(uint32_t mask)
 void can_set_receive_id(uint32_t id);
 bool can_silence_bus(bool value);
 
-#endif //__CAN_H
+#endif //_CAN_H_