diff --git a/LLama/Native/LLamaTokenDataArray.cs b/LLama/Native/LLamaTokenDataArray.cs
index d6ab139e7..e1a19555d 100644
--- a/LLama/Native/LLamaTokenDataArray.cs
+++ b/LLama/Native/LLamaTokenDataArray.cs
@@ -219,7 +219,7 @@ public static MemoryHandle Create(LLamaTokenDataArray array, out LLamaTokenDataA
                 native = new LLamaTokenDataArrayNative
                 {
                     _data = (LLamaTokenData*)handle.Pointer,
-                    Size = (ulong)array.Data.Length,
+                    _size = (ulong)array.Data.Length,
                     Sorted = array.Sorted
                 };
             }