diff --git a/types.go b/types.go
index a844e6c..fe224a9 100644
--- a/types.go
+++ b/types.go
@@ -42,7 +42,7 @@ type Victim struct {
 	DamageTaken   int64    `json:"damage_taken" gorm:"column:damage_taken"`
 	Items         []Item   `json:"items" gorm:"foreignKey:VictimID;references:ID;constraint:OnDelete:CASCADE"`
 	Position      Position `json:"position" gorm:"foreignKey:VictimID;references:ID;constraint:OnDelete:CASCADE"`
-	ShipTypeID    int64    `json:"ship_type_id" gorm:"column:ship_type_id"`
+	ShipTypeID    int64    `json:"ship_type_id" gorm:"column:ship_type_id;index"`
 }
 
 func (v *Victim) TableName() string {
@@ -51,9 +51,9 @@ func (v *Victim) TableName() string {
 
 type Item struct {
 	ID                int64  `gorm:"primaryKey;autoIncrement;column:id"`
-	VictimID          int64  `json:"victim_id" gorm:"column:victim_id;index"`
-	Flag              int64  `json:"flag" gorm:"column:flag"`
-	ItemTypeID        int64  `json:"item_type_id" gorm:"column:item_type_id"`
+	VictimID          int64  `json:"victim_id" gorm:"column:victim_id;index:idx_items_victim_item_flag"`
+	Flag              int64  `json:"flag" gorm:"column:flag;index:idx_items_victim_item_flag"`
+	ItemTypeID        int64  `json:"item_type_id" gorm:"column:item_type_id;index:idx_items_victim_item_flag"`
 	QuantityDestroyed *int64 `json:"quantity_destroyed,omitempty" gorm:"column:quantity_destroyed"`
 	Singleton         int64  `json:"singleton" gorm:"column:singleton"`
 	QuantityDropped   *int64 `json:"quantity_dropped,omitempty" gorm:"column:quantity_dropped"`