diff --git a/src/NetCoreForce.Client/Models/SObjectFieldMetadata.cs b/src/NetCoreForce.Client/Models/SObjectFieldMetadata.cs
index 8eef5e5..6f2b362 100644
--- a/src/NetCoreForce.Client/Models/SObjectFieldMetadata.cs
+++ b/src/NetCoreForce.Client/Models/SObjectFieldMetadata.cs
@@ -12,6 +12,9 @@ public class SObjectFieldMetadata
         [JsonProperty(PropertyName = "calculated")]
         public bool Calculated { get; set; }
 
+        [JsonProperty(PropertyName = "calculatedFormula")]
+        public bool CalculatedFormula { get; set; }
+
         [JsonProperty(PropertyName = "createable")]
         public bool Creatable { get; set; }