diff --git a/index.html b/index.html
index 77c1d58..46dc5b1 100644
--- a/index.html
+++ b/index.html
@@ -2826,18 +2826,18 @@
                         const slot = state.variants.find(lv => lv.name === varName);
                         
                         if (slot && f.geometry && f.geometry.coordinates) {
-                            slot.id = f.id || p.fid || p.id || p._id || slot.id;
+                            // Store the database ID separately so we don't break UI layer references
+                            slot.dbId = f.id || p.fid || p.id || p._id;
                             
-                            // Handle potential nested coordinate arrays from different GIS exports
+                            // Handle potential nested coordinate arrays
                             let coords = f.geometry.coordinates;
                             if (f.geometry.type === "LineString") {
                                 slot.routes = coords.map(c => ({ lat: c[1], lng: c[0] }));
                             } else if (f.geometry.type === "MultiLineString") {
-                                // Take the first segment of a MultiLineString if it's imported that way
                                 slot.routes = coords[0].map(c => ({ lat: c[1], lng: c[0] }));
                             }
 
-                            // Re-sync the polyline layer if it exists
+                            // Use the original UI ID to find the map layer
                             if (routeLayers[slot.id]) {
                                 routeLayers[slot.id].setLatLngs(slot.routes);
                             }