diff --git a/def.go b/def.go
index 79b76b3..d55386d 100644
--- a/def.go
+++ b/def.go
@@ -624,8 +624,8 @@ type JobPayloadVaultValOth struct {
 type JobPayloadVaultValTab struct {
 	ItemID64 int64   `json:"item_id"`
 	Quality  string  `json:"quality"`
-	Quantity int     `json:"quantity"`
-	Volume   int     `json:"volume"`
+	Quantity int64   `json:"quantity"`
+	Volume   int64   `json:"volume"`
 	Value    float64 `json:"value"`
 }