diff --git a/libraries/DataFlash/DataFlash.h b/libraries/DataFlash/DataFlash.h
index 08c73d8ab0..937e59595e 100644
--- a/libraries/DataFlash/DataFlash.h
+++ b/libraries/DataFlash/DataFlash.h
@@ -15,9 +15,9 @@
 #include <AP_AHRS/AP_AHRS.h>
 #include <AP_Vehicle/AP_Vehicle.h>
 #include <AP_Mission/AP_Mission.h>
-#include "../AP_Airspeed/AP_Airspeed.h"
-#include "../AP_BattMonitor/AP_BattMonitor.h"
-#include "../AP_RPM/AP_RPM.h"
+#include <AP_Airspeed/AP_Airspeed.h>
+#include <AP_BattMonitor/AP_BattMonitor.h>
+#include <AP_RPM/AP_RPM.h>
 #include <stdint.h>
 #include "DataFlash_Backend.h"
 
diff --git a/libraries/DataFlash/DataFlash_Backend.h b/libraries/DataFlash/DataFlash_Backend.h
index 342fb75e2f..cbd55f42fd 100644
--- a/libraries/DataFlash/DataFlash_Backend.h
+++ b/libraries/DataFlash/DataFlash_Backend.h
@@ -13,8 +13,8 @@
 #include <AP_Baro/AP_Baro.h>
 #include <AP_AHRS/AP_AHRS.h>
 #include <AP_Vehicle/AP_Vehicle.h>
-#include "../AP_Airspeed/AP_Airspeed.h"
-#include "../AP_BattMonitor/AP_BattMonitor.h"
+#include <AP_Airspeed/AP_Airspeed.h>
+#include <AP_BattMonitor/AP_BattMonitor.h>
 #include <stdint.h>
 
 class DataFlash_Backend
diff --git a/libraries/DataFlash/DataFlash_File.cpp b/libraries/DataFlash/DataFlash_File.cpp
index 006292cdba..772f23a62b 100644
--- a/libraries/DataFlash/DataFlash_File.cpp
+++ b/libraries/DataFlash/DataFlash_File.cpp
@@ -24,7 +24,7 @@
 #include <stdio.h>
 #include <time.h>
 #include <dirent.h>
-#include "../AP_HAL/utility/RingBuffer.h"
+#include <AP_HAL/utility/RingBuffer.h>
 
 extern const AP_HAL::HAL& hal;
 
diff --git a/libraries/DataFlash/LogFile.cpp b/libraries/DataFlash/LogFile.cpp
index a48cf3e403..a552298328 100644
--- a/libraries/DataFlash/LogFile.cpp
+++ b/libraries/DataFlash/LogFile.cpp
@@ -7,7 +7,7 @@
 #include <AP_Math/AP_Math.h>
 #include <AP_Baro/AP_Baro.h>
 #include <AP_AHRS/AP_AHRS.h>
-#include "../AP_BattMonitor/AP_BattMonitor.h"
+#include <AP_BattMonitor/AP_BattMonitor.h>
 #include <AP_Compass/AP_Compass.h>
 
 extern const AP_HAL::HAL& hal;