diff --git a/Kudu.Core/Functions/PatchSpec.cs b/Kudu.Core/Functions/PatchSpec.cs
index 111bba6e..d80f5df5 100644
--- a/Kudu.Core/Functions/PatchSpec.cs
+++ b/Kudu.Core/Functions/PatchSpec.cs
@@ -7,10 +7,10 @@ namespace Kudu.Core.Functions
 {
     public class PatchSpec
     {
-        [JsonProperty(PropertyName = "triggerOptions")]
+        [JsonProperty(PropertyName = "triggerOptions", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public TriggerOptions TriggerOptions { get; set; }
 
-        [JsonProperty(PropertyName = "code")]
+        [JsonProperty(PropertyName = "code", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public CodeSpec Code { get; set; }
     }
 }