diff --git a/calendar/util.go b/calendar/util.go
index 62dd906..e853866 100644
--- a/calendar/util.go
+++ b/calendar/util.go
@@ -37,9 +37,9 @@ func HasEventAccess(c *gin.Context, e *Event, cid string) error {
 
 func ChangeCalGroup(cal_id, to string) error {
 	return db.Transaction(func(tx *gorm.DB) error {
-		affected := tx.Exec(`update events set group_id = (
+		affected := tx.Exec(`update calendars set group_id = (
 			select id from groups where name = ?
-		) where calendar_id = ?`, to, cal_id).RowsAffected
+		) where id = ?`, to, cal_id).RowsAffected
 		if affected == 0 {
 			return errors.ErrorNotFound
 		}