diff --git a/libraries/GPS_IMU/GPS_IMU.cpp b/libraries/GPS_IMU/GPS_IMU.cpp
index e6975ccdc2..62ef39b968 100755
--- a/libraries/GPS_IMU/GPS_IMU.cpp
+++ b/libraries/GPS_IMU/GPS_IMU.cpp
@@ -4,7 +4,11 @@
 
 #include "GPS_IMU.h"
 #include <avr/interrupt.h>
-#include "WProgram.h"
+#if defined(ARDUINO) && ARDUINO >= 100
+	#include "Arduino.h"
+#else
+	#include "WProgram.h"
+#endif
 
 
 // Constructors ////////////////////////////////////////////////////////////////