diff --git a/sys/include/sys/types.h b/sys/include/sys/types.h
index 139f608..2ca9ce6 100644
--- a/sys/include/sys/types.h
+++ b/sys/include/sys/types.h
@@ -116,7 +116,8 @@
 
 typedef __ssize_t ssize_t;
 typedef char *caddr_t;
-typedef __int64_t off_t;
+// XXX TEMP HACK typedef __int64_t off_t;
+typedef long off_t;
 typedef __uint32_t vm_offset_t;
 
 typedef __uid_t uid_t; /* user id */