diff --git a/libraries/AP_InternalError/AP_InternalError.cpp b/libraries/AP_InternalError/AP_InternalError.cpp
index a8123276cf..dd9c104c25 100644
--- a/libraries/AP_InternalError/AP_InternalError.cpp
+++ b/libraries/AP_InternalError/AP_InternalError.cpp
@@ -1,5 +1,7 @@
 #include "AP_InternalError.h"
 
+#include <AP_BoardConfig/AP_BoardConfig.h>
+
 extern const AP_HAL::HAL &hal;
 
 // actually create the instance:
diff --git a/libraries/AP_InternalError/AP_InternalError.h b/libraries/AP_InternalError/AP_InternalError.h
index f618a2a0bd..56d9e86552 100644
--- a/libraries/AP_InternalError/AP_InternalError.h
+++ b/libraries/AP_InternalError/AP_InternalError.h
@@ -22,7 +22,7 @@
 
 #pragma once
 
-#include <AP_BoardConfig/AP_BoardConfig.h>
+#include <stdint.h>
 
 class AP_InternalError {
 public: