diff --git a/libraries/AP_HAL_PX4/UARTDriver.cpp b/libraries/AP_HAL_PX4/UARTDriver.cpp
index 03de603dc5..680bcc463e 100644
--- a/libraries/AP_HAL_PX4/UARTDriver.cpp
+++ b/libraries/AP_HAL_PX4/UARTDriver.cpp
@@ -16,7 +16,7 @@
 #include <termios.h>
 #include <drivers/drv_hrt.h>
 #include <assert.h>
-#include "../AP_HAL/utility/RingBuffer.h"
+#include <AP_HAL/utility/RingBuffer.h>
 #include "GPIO.h"
 
 using namespace PX4;