diff --git a/include/socks/status.h b/include/socks/status.h
index 363091e..e910d6a 100644
--- a/include/socks/status.h
+++ b/include/socks/status.h
@@ -13,6 +13,8 @@ typedef unsigned int kern_status_t;
 #define KERN_WOULD_BLOCK      (7)
 #define KERN_BUSY             (8)
 #define KERN_NO_DEVICE        (9)
+#define KERN_DEVICE_STUCK     (10)
+#define KERN_IO_ERROR         (11)
 
 extern const char *kern_status_string(kern_status_t status);