diff --git a/hostfile.c b/hostfile.c
index 42a8aa7..88c0549 100644
--- a/hostfile.c
+++ b/hostfile.c
@@ -36,7 +36,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: hostfile.c,v 1.31 2003/04/08 20:21:28 itojun Exp $");
+RCSID("$OpenBSD: hostfile.c,v 1.32 2003/11/10 16:23:41 jakob Exp $");
 
 #include "packet.h"
 #include "match.h"
@@ -72,7 +72,7 @@
 }
 
 static int
-hostfile_check_key(int bits, Key *key, const char *host, const char *filename, int linenum)
+hostfile_check_key(int bits, const Key *key, const char *host, const char *filename, int linenum)
 {
 	if (key == NULL || key->type != KEY_RSA1 || key->rsa == NULL)
 		return 1;
@@ -98,7 +98,7 @@
 
 static HostStatus
 check_host_in_hostfile_by_key_or_type(const char *filename,
-    const char *host, Key *key, int keytype, Key *found, int *numret)
+    const char *host, const Key *key, int keytype, Key *found, int *numret)
 {
 	FILE *f;
 	char line[8192];
@@ -188,7 +188,7 @@
 }
 
 HostStatus
-check_host_in_hostfile(const char *filename, const char *host, Key *key,
+check_host_in_hostfile(const char *filename, const char *host, const Key *key,
     Key *found, int *numret)
 {
 	if (key == NULL)
@@ -211,7 +211,7 @@
  */
 
 int
-add_host_to_hostfile(const char *filename, const char *host, Key *key)
+add_host_to_hostfile(const char *filename, const char *host, const Key *key)
 {
 	FILE *f;
 	int success = 0;