diff --git a/include/linux/err.h b/include/linux/err.h
index 9289c24..a3db4cf 100644
--- a/include/linux/err.h
+++ b/include/linux/err.h
@@ -4,6 +4,7 @@
 #define __LINUX_ERR_H
 
 #include <linux/types.h>
+#include <asm/errno.h>
 
 #define MAX_ERRNO       4095