diff --git a/BitPay/Models/Invoice/MinerFeesItem.cs b/BitPay/Models/Invoice/MinerFeesItem.cs
index 2f06512..e0bf99b 100644
--- a/BitPay/Models/Invoice/MinerFeesItem.cs
+++ b/BitPay/Models/Invoice/MinerFeesItem.cs
@@ -8,7 +8,7 @@ namespace BitPay.Models.Invoice
     public class MinerFeesItem
     {
         [JsonProperty(PropertyName = "satoshisPerByte")]
-        public int? SatoshisPerByte { get; set; }
+        public decimal? SatoshisPerByte { get; set; }
         
         [JsonProperty(PropertyName = "totalFee")]
         public int? TotalFee { get; set; }