diff --git a/models/voucher_data_result.go b/models/voucher_data_result.go
index f04aafe..c9f0b74 100644
--- a/models/voucher_data_result.go
+++ b/models/voucher_data_result.go
@@ -3,6 +3,6 @@ package models
 type VoucherDataResult struct {
 	TokenName     string `json:"tokenName"`
 	TokenSymbol   string `json:"tokenSymbol"`
-	TokenDecimals string `json:"tokenDecimals"`
+	TokenDecimals int    `json:"tokenDecimals"`
 	SinkAddress   string `json:"sinkAddress"`
 }