diff --git a/model/report.go b/model/report.go
index 3a47c13..192dd99 100644
--- a/model/report.go
+++ b/model/report.go
@@ -10,7 +10,7 @@ type Report struct {
 	Period                time.Time  `xorm:"date not null" json:"period"`
 	Published             bool       `xorm:"bool not null default false" json:"published"`
 	PublishedAt           *time.Time `xorm:"timestampz" json:"publishedAt"`
-	Withdraw              byte       `xorm:"smallint not null default 0" json:"withdraw"`
+	Withdraw              int8       `xorm:"smallint not null default 0" json:"withdraw"`
 	LastWithdrawAppliedAt *time.Time `xorm:"timestampz" json:"lastWithdrawAppliedAt"`
 	LastWithdrawAuditAt   *time.Time `xorm:"timestampz" json:"lastWithdrawAuditAt"`
 }
diff --git a/model/user.go b/model/user.go
index 4328ce7..6436146 100644
--- a/model/user.go
+++ b/model/user.go
@@ -6,7 +6,7 @@ type User struct {
 	Username    string `xorm:"varchar(30) not null" json:"username"`
 	Password    string `xorm:"varchar(120) not null" json:"-"`
 	ResetNeeded bool   `xorm:"bool not null" json:"resetNeeded"`
-	Type        byte   `xorm:"smallint not null" json:"type"`
+	Type        int8   `xorm:"smallint not null" json:"type"`
 	Enabled     bool   `xorm:"bool not null" json:"enabled"`
 }