diff --git a/lua/imlib2_old.pkg b/lua/imlib2_old.pkg
index b00bfaa70..8e204a6b4 100644
--- a/lua/imlib2_old.pkg
+++ b/lua/imlib2_old.pkg
@@ -1,3 +1,4 @@
+$#define BUILD_X11 1
 $#include<Imlib2.h>
 $#include<X11/Xlib.h>
 $#define _userdata void *