diff --git a/src/git.xdrm.io/schastsp/client/keyset/keyset.go b/src/git.xdrm.io/schastsp/client/keyset/keyset.go
index 59f8179..6ac697a 100644
--- a/src/git.xdrm.io/schastsp/client/keyset/keyset.go
+++ b/src/git.xdrm.io/schastsp/client/keyset/keyset.go
@@ -196,10 +196,10 @@ func (s *T) Fetch(reader io.Reader) error {
 * @return mcode<uint8>			Migration code
 *
 ---------------------------------------------------------*/
-func (s T) MigrationCode(optional ...uint8) uint8 {
+func (s *T) MigrationCode(optional ...uint8) uint8 {
 
 	/* (1) If no valid code given -> return current one */
-	if len(optional) < 1 || optional[0] > 3 {
+	if len(optional) < 1 || optional[0] > 2 {
 		return s.mcode
 	}