diff --git a/RF24.cpp b/RF24.cpp
index 574910b..2d289c0 100644
--- a/RF24.cpp
+++ b/RF24.cpp
@@ -6,7 +6,6 @@
  version 2 as published by the Free Software Foundation.
  */
 
-#include <SPI.h>
 #include "nRF24L01.h"
 #include "RF24_config.h"
 #include "RF24.h"
diff --git a/RF24_config.h b/RF24_config.h
index 321a0fd..4f777da 100644
--- a/RF24_config.h
+++ b/RF24_config.h
@@ -19,7 +19,9 @@
 #include <stddef.h>
 
 // Stuff that is normally provided by Arduino
-#ifndef ARDUINO
+#ifdef ARDUINO
+#include <SPI.h>
+#else
 #include <stdint.h>
 #include <stdio.h>
 #include <string.h>