diff --git a/CHANGELOG b/CHANGELOG
index f2fa05fd..e4cccb29 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -27,6 +27,7 @@ Version 4.5.1 (development)
   They can only be issued after parallel streams have been initialized with
   the 'parallel' command (if used).
 
+
 Version 4.5 released on Feb 6, 2026
 ===================================
 
diff --git a/lib/window.cpp b/lib/window.cpp
index 6930f6f0..fbc3d834 100644
--- a/lib/window.cpp
+++ b/lib/window.cpp
@@ -229,6 +229,12 @@ bool Window::SetNewMeshAndSolution(DataState new_state)
          (new_state.grid_f->VectorDim() == data_state.grid_f->VectorDim()))
         ||(!new_state.grid_f && !data_state.grid_f)))
    {
+      // retain the point line overlay
+      if (new_state.point_coords.empty() && !data_state.point_coords.empty())
+      {
+         new_state.point_coords = data_state.point_coords;
+      }
+
       ResetMeshAndSolution(new_state);
 
       data_state = std::move(new_state);