From b25a08839c51332ef606f892a26e17669e671259 Mon Sep 17 00:00:00 2001
From: Jose Luis Cercos-Pita <jlcercos@gmail.com>
Date: Tue, 24 Mar 2026 09:03:13 +0100
Subject: [PATCH] fix(core): Memory leak on lean-vtk

---
 source/leanvtk/leanvtk.hpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/source/leanvtk/leanvtk.hpp b/source/leanvtk/leanvtk.hpp
index 8a17d5e0..012b044f 100644
--- a/source/leanvtk/leanvtk.hpp
+++ b/source/leanvtk/leanvtk.hpp
@@ -141,6 +141,8 @@ class VTKDataNodeBase {
       , binary_(false)
   {}
 
+  virtual ~VTKDataNodeBase() = default;
+
   virtual void write(std::ostream &os) const
   {
   };