diff --git a/vtk-build.patch b/vtk-build.patch
new file mode 100644
index 0000000..e1ab822
--- /dev/null
+++ b/vtk-build.patch
@@ -0,0 +1,12 @@
+diff -rupN VTK-9.2.6/Utilities/octree/octree/octree_node.txx VTK-9.2.6-new/Utilities/octree/octree/octree_node.txx
+--- VTK-9.2.6/Utilities/octree/octree/octree_node.txx	2023-02-15 05:03:53.000000000 +0100
++++ VTK-9.2.6-new/Utilities/octree/octree/octree_node.txx	2025-01-24 14:12:16.855255487 +0100
+@@ -207,7 +207,7 @@ const octree_node<T_, d_, A_>& octree_no
+   {
+     throw std::domain_error("Attempt to access children of an octree leaf node.");
+   }
+-  return this->_M_chilren[child];
++  return this->m_children[child];
+ }
+ 
+ /**\brief Return a reference to a child node.
diff --git a/vtk.spec b/vtk.spec
index 6e0c5f2..56fc110 100644
--- a/vtk.spec
+++ b/vtk.spec
@@ -70,6 +70,8 @@ Patch2: vtk-include.patch
 # https://bugzilla.redhat.com/show_bug.cgi?id=2310520
 # Backport of https://gitlab.kitware.com/vtk/vtk/-/merge_requests/11486
 Patch3: vtk-python3.13.patch
+# Fix build
+Patch4: vtk-build.patch
 
 URL: https://vtk.org/