diff --git a/basis/unix/bsd/netbsd/structs/structs.factor b/basis/unix/bsd/netbsd/structs/structs.factor
index ced6f6df5d..dba7590a93 100644
--- a/basis/unix/bsd/netbsd/structs/structs.factor
+++ b/basis/unix/bsd/netbsd/structs/structs.factor
@@ -1,6 +1,6 @@
 ! Copyright (C) 2008 Doug Coleman.
 ! See http://factorcode.org/license.txt for BSD license.
-USING: alien.syntax ;
+USING: alien.syntax unix.time ;
 IN: unix
 
 C-STRUCT: sockaddr_storage