diff --git a/models/namespaces_add_update.go b/models/namespaces_add_update.go
index 102294cf4..7502061ed 100644
--- a/models/namespaces_add_update.go
+++ b/models/namespaces_add_update.go
@@ -6,6 +6,7 @@ func (n *Namespace) Create(doer *User, _ int64) (err error) {
 	if n.Name == "" {
 		return ErrNamespaceNameCannotBeEmpty{NamespaceID: 0, UserID: doer.ID}
 	}
+	n.ID = 0 // This would otherwise prevent the creation of new lists after one was created
 
 	// Check if the User exists
 	n.Owner, _, err = GetUserByID(doer.ID)