diff --git a/lib/krb5/generate_seq_number.c b/lib/krb5/generate_seq_number.c
index 3eae1c611..ca0b90ebc 100644
--- a/lib/krb5/generate_seq_number.c
+++ b/lib/krb5/generate_seq_number.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997 Kungliga Tekniska Högskolan
+ * Copyright (c) 1997 - 2000 Kungliga Tekniska Högskolan
  * (Royal Institute of Technology, Stockholm, Sweden). 
  * All rights reserved. 
  *
@@ -38,7 +38,7 @@ RCSID("$Id$");
 krb5_error_code
 krb5_generate_seq_number(krb5_context context,
 			 const krb5_keyblock *key,
-			 int32_t *seqno)
+			 u_int32_t *seqno)
 {
     krb5_error_code ret;
     krb5_keyblock *subkey;