diff --git a/model-user.go b/model-user.go
index 6eefd6d..a9aff74 100644
--- a/model-user.go
+++ b/model-user.go
@@ -134,6 +134,7 @@ func add(user User, config *ConfigFile, ldapConn *ldap.Conn) error {
 }
 
 func modify(user User, config *ConfigFile, ldapConn *ldap.Conn) error {
+	log.Printf("Modify User : %v", user)
 	modify_request := ldap.NewModifyRequest(user.DN, nil)
 	previousUser, err := get(user, config, ldapConn)
 	if err != nil {
diff --git a/profile.go b/profile.go
index 5484583..6b73b60 100644
--- a/profile.go
+++ b/profile.go
@@ -56,7 +56,7 @@ func handleProfile(w http.ResponseWriter, r *http.Request) {
 			// Password: ,
 		}
 
-		if user.Mail != "" {
+		if user.DisplayName != "" {
 			err := modify(user, config, login.conn)
 			if err != nil {
 				data.ErrorMessage = "handleProfile : " + err.Error()