diff --git a/csharp/src/Apache.Arrow/Ipc/ArrowReaderImplementation.cs b/csharp/src/Apache.Arrow/Ipc/ArrowReaderImplementation.cs
index e41c19481fb63..4c2757abf57a6 100644
--- a/csharp/src/Apache.Arrow/Ipc/ArrowReaderImplementation.cs
+++ b/csharp/src/Apache.Arrow/Ipc/ArrowReaderImplementation.cs
@@ -216,8 +216,8 @@ private ArrayData[] GetChildren(
             var children = new ArrayData[childrenCount];
             for (var index = 0; index < childrenCount; index++)
             {
-                Flatbuf.FieldNode childFieldNode = recordBatchEnumerator.CurrentNode;
                 recordBatchEnumerator.MoveNextNode();
+                Flatbuf.FieldNode childFieldNode = recordBatchEnumerator.CurrentNode;
 
                 var childField = type.Children[index];
                 var child = childField.DataType.IsFixedPrimitive()
diff --git a/csharp/test/Apache.Arrow.Tests/TestData.cs b/csharp/test/Apache.Arrow.Tests/TestData.cs
index 68709e867eeee..db68f74dbd650 100644
--- a/csharp/test/Apache.Arrow.Tests/TestData.cs
+++ b/csharp/test/Apache.Arrow.Tests/TestData.cs
@@ -187,13 +187,15 @@ public void Visit(ListType type)
                 var builder = new ListArray.Builder(type.ValueField).Reserve(Length);
 
                 //Todo : Support various types
-                var valueBuilder = (Int64Array.Builder)builder.ValueBuilder.Reserve(Length);
+                var valueBuilder = (Int64Array.Builder)builder.ValueBuilder.Reserve(Length + 1);
 
                 for (var i = 0; i < Length; i++)
                 {
                     builder.Append();
                     valueBuilder.Append(i);
                 }
+                //Add a value to check if Values.Length can exceed ListArray.Length
+                valueBuilder.Append(0);
 
                 Array = builder.Build();