diff --git a/backend/v3/domain/instance.go b/backend/v3/domain/instance.go
index acbee10c1b..0ff5b17183 100644
--- a/backend/v3/domain/instance.go
+++ b/backend/v3/domain/instance.go
@@ -16,9 +16,9 @@ type Instance struct {
 	ConsoleClientID string     `json:"console_client_id,omitempty" db:"console_client_id"`
 	ConsoleAppID    string     `json:"console_app_id,omitempty" db:"console_app_id"`
 	DefaultLanguage string     `json:"default_language,omitempty" db:"default_language"`
-	CreatedAt       time.Time  `json:"-,omitempty" db:"created_at"`
-	UpdatedAt       time.Time  `json:"-,omitempty" db:"updated_at"`
-	DeletedAt       *time.Time `json:"-,omitempty" db:"deleted_at"`
+	CreatedAt       time.Time  `json:"created_at" db:"created_at"`
+	UpdatedAt       time.Time  `json:"updated_at" db:"updated_at"`
+	DeletedAt       *time.Time `json:"deleted_at" db:"deleted_at"`
 }
 
 type instanceCacheIndex uint8
diff --git a/backend/v3/storage/database/repository/instance.go b/backend/v3/storage/database/repository/instance.go
index 03fc5a8149..2db72635fa 100644
--- a/backend/v3/storage/database/repository/instance.go
+++ b/backend/v3/storage/database/repository/instance.go
@@ -50,7 +50,7 @@ func (i *instance) List(ctx context.Context, opts ...database.Condition) ([]*dom
 
 	builder.WriteString(queryInstanceStmt)
 
-	// return only non deleted isntances
+	// return only non deleted instances
 	opts = append(opts, database.IsNull(i.DeletedAtColumn()))
 	andCondition := database.And(opts...)
 	i.writeCondition(&builder, andCondition)
diff --git a/backend/v3/storage/database/repository/repository_test.go b/backend/v3/storage/database/repository/repository_test.go
index 28db52365f..d7e463a604 100644
--- a/backend/v3/storage/database/repository/repository_test.go
+++ b/backend/v3/storage/database/repository/repository_test.go
@@ -34,20 +34,20 @@ func newEmbeededDB() (pool database.PoolTest, stop func(), err error) {
 	var connector database.Connector
 	connector, stop, err = embedded.StartEmbedded()
 	if err != nil {
-		return nil, nil, fmt.Errorf("unable to start embedded postgres: %v", err)
+		return nil, nil, fmt.Errorf("unable to start embedded postgres: %w", err)
 	}
 
 	ctx := context.Background()
 
 	pool_, err := connector.Connect(ctx)
 	if err != nil {
-		return nil, nil, fmt.Errorf("unable to connect to embedded postgres: %v", err)
+		return nil, nil, fmt.Errorf("unable to connect to embedded postgres: %w", err)
 	}
 	pool = pool_.(database.PoolTest)
 
 	err = pool.MigrateTest(ctx)
 	if err != nil {
-		return nil, nil, fmt.Errorf("unable to migrate database: %v", err)
+		return nil, nil, fmt.Errorf("unable to migrate database: %w", err)
 	}
 	return pool, stop, err
 }