diff --git a/Customizations/JSON/LayoutConfigJson.ts b/Customizations/JSON/LayoutConfigJson.ts
index 03c3729..c89811d 100644
--- a/Customizations/JSON/LayoutConfigJson.ts
+++ b/Customizations/JSON/LayoutConfigJson.ts
@@ -126,7 +126,7 @@ export interface LayoutConfigJson {
     /**
      * If defined, data will be clustered.
      */
-    clustering: {
+    clustering?: {
         /**
          * All zoom levels above 'maxzoom' are not clustered anymore
          */
diff --git a/Logic/Osm/ChangesetHandler.ts b/Logic/Osm/ChangesetHandler.ts
index 5e05e6e..18ddaa9 100644
--- a/Logic/Osm/ChangesetHandler.ts
+++ b/Logic/Osm/ChangesetHandler.ts
@@ -108,7 +108,7 @@ export class ChangesetHandler {
                 `<tag k="theme" v="${layout.id}"/>`,
                 `<tag k="language" v="${Locale.language.data}"/>`,
                 `<tag k="host" v="${escapeHtml(window.location.host)}"/>`,
-                `<tag k="imagery" v="${State.state.backgroundLayer.data.id}/>`,
+                `<tag k="imagery" v="${State.state.backgroundLayer.data.id}"/>`,
                 surveySource,
                 (layout.maintainer ?? "") !== "" ? `<tag k="theme-creator" v="${escapeHtml(layout.maintainer)}"/>` : "",
                 `</changeset></osm>`].join("")
diff --git a/Models/Constants.ts b/Models/Constants.ts
index a198a3d..33dfd2c 100644
--- a/Models/Constants.ts
+++ b/Models/Constants.ts
@@ -1,7 +1,7 @@
 import { Utils } from "../Utils";
 
 export default class Constants {
-    public static vNumber = "0.2.7";
+    public static vNumber = "0.2.7-rc2";
 
     // The user journey states thresholds when a new feature gets unlocked
     public static userJourney = {