diff --git a/servers/slapd/overlays/accesslog.c b/servers/slapd/overlays/accesslog.c
index 0d1de46bb02e19529e4091c50062d0c626a589bc..aa165b7d0cecc46c06fb5464741d12147ad34d1e 100644
--- a/servers/slapd/overlays/accesslog.c
+++ b/servers/slapd/overlays/accesslog.c
@@ -582,8 +582,8 @@ log_old_lookup( Operation *op, SlapReply *rs )
 	if ( a ) {
 		ber_len_t len = a->a_nvals[0].bv_len;
 		/* Paranoid len check, normalized CSNs are always the same length */
-		if ( len > LDAP_LUTIL_CSNSTR_BUFSIZE )
-			len = LDAP_LUTIL_CSNSTR_BUFSIZE;
+		if ( len > LDAP_PVT_CSNSTR_BUFSIZE )
+			len = LDAP_PVT_CSNSTR_BUFSIZE;
 		if ( memcmp( a->a_nvals[0].bv_val, pd->csn.bv_val, len ) > 0 ) {
 			AC_MEMCPY( pd->csn.bv_val, a->a_nvals[0].bv_val, len );
 			pd->csn.bv_len = len;