1 files changed, 1 insertions, 1 deletions

diff --git a/openbsd-compat/port-tun.h b/openbsd-compat/port-tun.h
index c53df01fc..e608a454d 100644
--- a/openbsd-compat/port-tun.h
+++ b/openbsd-compat/port-tun.h
@@ -27,7 +27,7 @@ int	  sys_tun_open(int, int);
 #if defined(SSH_TUN_COMPAT_AF) || defined(SSH_TUN_PREPEND_AF)
 # define SSH_TUN_FILTER
 int      sys_tun_infilter(struct Channel *, char *, int);
-u_char  *sys_tun_outfilter(struct Channel *, u_char **, u_int *);
+u_char  *sys_tun_outfilter(struct Channel *, u_char **, size_t *);
 #endif
 
 #endif