diff --git a/Source/Engine/Engine/NativeInterop.Unmanaged.cs b/Source/Engine/Engine/NativeInterop.Unmanaged.cs
index bba9e3db8..17b8b73af 100644
--- a/Source/Engine/Engine/NativeInterop.Unmanaged.cs
+++ b/Source/Engine/Engine/NativeInterop.Unmanaged.cs
@@ -940,7 +940,7 @@ namespace FlaxEngine.Interop
             if (nativeType.IsClass)
                 size = sizeof(IntPtr);
             else
-                size = GetTypeSize(type);
+                size = GetTypeSize(nativeType);
             return size;
         }