diff --git a/FarmmapsKPI/KPIApplication.cs b/FarmmapsKPI/KPIApplication.cs
index b9f7e69..6b1eec3 100644
--- a/FarmmapsKPI/KPIApplication.cs
+++ b/FarmmapsKPI/KPIApplication.cs
@@ -83,7 +83,7 @@ namespace FarmmapsKPI
         private async Task Process(List<UserRoot> roots, KPIInput input, StreamWriter sw)
         {
             KPIOutput kpio;
-            KPIOutput kpioPrevious = null;
+            KPIOutput kpioPrevious = new KPIOutput();   //creates a new empty
 
             string downloadFolder = input.DownloadFolder;
             if (string.IsNullOrEmpty(downloadFolder)) {
@@ -271,7 +271,7 @@ namespace FarmmapsKPI
                 dataList = new List<string> { };
                 kpio = JsonConvert.DeserializeObject<KPIOutput>(item.Data.ToString());
                 //Seems sometimes duplicate KPI items are returned. So check that here and only write if this kpio is different from previous
-                if (kpio != kpioPrevious)
+                if (kpio.id != kpioPrevious.id)
                 {
                     dataList.Add(kpio.parentName);
                     dataList.Add(kpio.data.area);
diff --git a/FarmmapsKPI/KPIInput.json b/FarmmapsKPI/KPIInput.json
index 04b9b70..46eff35 100644
--- a/FarmmapsKPI/KPIInput.json
+++ b/FarmmapsKPI/KPIInput.json
@@ -90,7 +90,7 @@
         "name": "Kunstmest strooien",
         "operationCode": "7",
         "product": "7360",
-        "quantity": "400",
+        "quantity": "200",
         "status": "3",
         "to": "2022-05-23T12:34:00",
         "unit": "kg/ha",