--- a/libmx5000/mx5000.c
+++ b/libmx5000/mx5000.c
@@ -29,6 +29,7 @@
 
 #include <asm/types.h>
 #include <linux/hiddev.h>
+#include <linux/limits.h>
 
 #include "libmx5000/mx5000.h"