diff --git a/javascript/viewer_vtk.html b/javascript/viewer_vtk.html
index 13f0a817..99f124e6 100644
--- a/javascript/viewer_vtk.html
+++ b/javascript/viewer_vtk.html
@@ -384,6 +384,12 @@
                     const filteredPolyData = normalsFilter.getOutputData();
                     mapper.setInputData(filteredPolyData);
                     currentPolyData = filteredPolyData;  // Update reference for field visualization
+
+                    // Restore the user's chosen representation (default Surface).
+                    // A point cloud forces Points mode on the shared actor property;
+                    // without this, a surface mesh loaded right after a point cloud
+                    // would stay stuck rendering as points.
+                    property.setRepresentation(currentSettings.representation);
                 }
                 mapper.update();