diff --git a/school-service/internal/models/timetable.go b/school-service/internal/models/timetable.go
index c580674..450e15f 100644
--- a/school-service/internal/models/timetable.go
+++ b/school-service/internal/models/timetable.go
@@ -47,14 +47,14 @@ type TimetableRoom struct {
 
 // TimetableSubject is a school-wide subject for timetabling.
 type TimetableSubject struct {
-	ID              uuid.UUID `json:"id" db:"id"`
-	CreatedByUserID uuid.UUID `json:"created_by_user_id" db:"created_by_user_id"`
-	Name            string    `json:"name" db:"name"`
-	ShortCode       string    `json:"short_code" db:"short_code"`
-	Color           string    `json:"color,omitempty" db:"color"`
-	IsMainSubject   bool      `json:"is_main_subject" db:"is_main_subject"`
-	RequiredRoomType string   `json:"required_room_type,omitempty" db:"required_room_type"`
-	CreatedAt       time.Time `json:"created_at" db:"created_at"`
+	ID               uuid.UUID `json:"id" db:"id"`
+	CreatedByUserID  uuid.UUID `json:"created_by_user_id" db:"created_by_user_id"`
+	Name             string    `json:"name" db:"name"`
+	ShortCode        string    `json:"short_code" db:"short_code"`
+	Color            string    `json:"color,omitempty" db:"color"`
+	IsMainSubject    bool      `json:"is_main_subject" db:"is_main_subject"`
+	RequiredRoomType string    `json:"required_room_type,omitempty" db:"required_room_type"`
+	CreatedAt        time.Time `json:"created_at" db:"created_at"`
 }
 
 // TimetableTeacher is a teacher as a schedulable resource.