diff --git a/rfm69spi.go b/rfm69spi.go
index 44f73ff..d78572d 100644
--- a/rfm69spi.go
+++ b/rfm69spi.go
@@ -1,6 +1,7 @@
 package rfm69
 
 /*
+#include <linux/types.h>
 #include <linux/spi/spidev.h>
 
 uint8_t mode=0;