diff --git a/app.js b/app.js
index 9f6fdc2..23c1b99 100644
--- a/app.js
+++ b/app.js
@@ -1211,7 +1211,7 @@ document.addEventListener('DOMContentLoaded', async () => {
             const projId = getProjektId();
 
             // Priority 1: Use globalThis.BAKED_DATA if available (Standalone Mode)
-            if (globalThis.BAKED_DATA) {
+            if (globalThis.BAKED_DATA && (projId.toLowerCase() === 'bwsamern-ohne' || isLocalFile)) {
                 // Support both old format (direct layers) and new format (with mapping/statuses)
                 let bakedLayers = globalThis.BAKED_DATA;
                 if (globalThis.BAKED_DATA.layers) {