diff --git a/libraries/AP_L1_Control/AP_L1_Control.cpp b/libraries/AP_L1_Control/AP_L1_Control.cpp
index b2388c9ee4..c7c1874a7e 100644
--- a/libraries/AP_L1_Control/AP_L1_Control.cpp
+++ b/libraries/AP_L1_Control/AP_L1_Control.cpp
@@ -1,6 +1,6 @@
 // -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
 
-#include <AP_HAL.h>
+#include <AP_HAL/AP_HAL.h>
 #include "AP_L1_Control.h"
 
 extern const AP_HAL::HAL& hal;
diff --git a/libraries/AP_L1_Control/AP_L1_Control.h b/libraries/AP_L1_Control/AP_L1_Control.h
index 6f066993ed..4f1836c078 100644
--- a/libraries/AP_L1_Control/AP_L1_Control.h
+++ b/libraries/AP_L1_Control/AP_L1_Control.h
@@ -16,10 +16,10 @@
 #ifndef AP_L1_CONTROL_H
 #define AP_L1_CONTROL_H
 
-#include <AP_Math.h>
-#include <AP_AHRS.h>
-#include <AP_Param.h>
-#include <AP_Navigation.h>
+#include <AP_Math/AP_Math.h>
+#include <AP_AHRS/AP_AHRS.h>
+#include <AP_Param/AP_Param.h>
+#include <AP_Navigation/AP_Navigation.h>
 
 class AP_L1_Control : public AP_Navigation {
 public: