diff --git a/src/UI/Map/MapLibreAdaptor.ts b/src/UI/Map/MapLibreAdaptor.ts
index d41bcc25dd..eb70c3e4d5 100644
--- a/src/UI/Map/MapLibreAdaptor.ts
+++ b/src/UI/Map/MapLibreAdaptor.ts
@@ -422,6 +422,7 @@ export class MapLibreAdaptor implements MapProperties, ExportableMap {
             map.addSource(background.id, MapLibreAdaptor.prepareWmsSource(background))
         }
         if (!map.getLayer(background.id)) {
+            addLayerBeforeId ??= map.getStyle().layers.find(l => l.id.startsWith("mapcomplete_"))?.id
             console.log(
                 "Adding background layer",
                 background.id,
diff --git a/src/UI/Map/ShowDataLayer.ts b/src/UI/Map/ShowDataLayer.ts
index 671b6478de..e49b44c782 100644
--- a/src/UI/Map/ShowDataLayer.ts
+++ b/src/UI/Map/ShowDataLayer.ts
@@ -515,7 +515,7 @@ export default class ShowDataLayer {
                 const l = new LineRenderingLayer(
                     map,
                     features,
-                    this._options.layer.id + "_linerendering_" + i,
+                    "mapcomplete_"+this._options.layer.id + "_linerendering_" + i,
                     lineRenderingConfig,
                     doShowLayer,
                     fetchStore,