diff --git a/Klarna.Rest/Klarna.Rest.Core/Model/OrderManagementOrder.cs b/Klarna.Rest/Klarna.Rest.Core/Model/OrderManagementOrder.cs
index 8b78c92..7f28a7c 100644
--- a/Klarna.Rest/Klarna.Rest.Core/Model/OrderManagementOrder.cs
+++ b/Klarna.Rest/Klarna.Rest.Core/Model/OrderManagementOrder.cs
@@ -122,7 +122,7 @@ public class OrderManagementOrder
         /// <summary>
         /// Text field for storing data about the order. Set at order creation.
         /// </summary>
-        [JsonProperty(PropertyName = "marchant_data")]
+        [JsonProperty(PropertyName = "merchant_data")]
         public string MerchantData { get; set; }
         /// <summary>
         /// Initial payment method for this order