diff --git a/extra/io/sockets/headers/headers.factor b/extra/io/sockets/headers/headers.factor
index c697b60973..2547fee5ae 100755
--- a/extra/io/sockets/headers/headers.factor
+++ b/extra/io/sockets/headers/headers.factor
@@ -1,7 +1,8 @@
 ! Copyright (C) 2007 Doug Coleman.
 ! See http://factorcode.org/license.txt for BSD license.
 USING: alien alien.c-types alien.syntax byte-arrays io
-io.sockets.impl kernel structs math prettyprint ;
+io.sockets.impl kernel structs math math.parser
+prettyprint sequences ;
 IN: io.sockets.headers
 
 C-STRUCT: etherneth