diff --git a/sandbox.html b/sandbox.html
index 07451564..f25119c9 100644
--- a/sandbox.html
+++ b/sandbox.html
@@ -700,7 +700,10 @@
       "type":"Polygon"
   }
 }</pre></li>
-          <li><pre>{"type": "locationFinder", "query": "Hamburg"}</pre></li>
+          <li><pre>{
+  "type": "locationFinder",
+  "query": "Hamburg"
+}</pre></li>
           <li><pre>{
   "type": "static",
   "extent": [9.585571,53.38169,10.483704,53.859007]
@@ -708,7 +711,7 @@
           <li><pre>{"type": "layerData"}</pre></li>
           <li><pre>{
   "type": "layerData",
-  "layers": ["Messstellen", "Gewässer"]
+  "layers": ["Messstellen", ["Gewässer", "Gewässername"]]
 }</pre></li>
         </ul>
       </p>
diff --git a/src/cadenza.js b/src/cadenza.js
index df57ddf5..9895e247 100644
--- a/src/cadenza.js
+++ b/src/cadenza.js
@@ -800,7 +800,7 @@ export class CadenzaClient {
   #setExtentStrategy(/** @type {ExtentStrategy | undefined} */ extentStrategy) {
     const type = extentStrategy?.type;
     // Other extent strategies are handled via URL parameters.
-    if (type === 'geometry' || type === 'static') {
+    if (type === 'geometry' || type === 'layerData') {
       this.#postEvent('setExtentStrategy', extentStrategy);
     }
   }
@@ -1469,6 +1469,8 @@ function sanitizeExtentStrategy({
           return { type: 'geometry', geometry };
         }
         break;
+      default:
+        return extentStrategy;
     }
   }
   if (mapExtent) {