diff --git a/public/index.html b/public/index.html
index 60ad0e474706da7ad4376f802cc209c8b55ccb43..aaafc6b31b3defdcdfe85c4c616050e88f5b7fef 100644
--- a/public/index.html
+++ b/public/index.html
@@ -349,19 +349,19 @@
     let models = {
       robot: {
         name: "Roboter",
-        image: "previewImages/bench.png",
+        image: "previewImages/bench.PNG",
         file: "https://transfer.hft-stuttgart.de/gitlab/geovistoogsi/ar/-/raw/master/public/assets/models/bench_model/scene.gltf",
         scale: { x: 0.1, y: 0.1, z: 0.1 }
       },
       sunflower: {
         name: "Trash bin",
-        image: "previewImages/trash_can.png",
+        image: "previewImages/trash_can.PNG",
         file: "https://transfer.hft-stuttgart.de/gitlab/geovistoogsi/ar/-/raw/master/public/assets/models/trash_model/scene.gltf",
         scale: { x: 0.04, y: 0.04, z: 0.04 }
       },
       tree: {
         name: "Baum",
-        image: "previewImages/lantern.png",
+        image: "previewImages/lantern.jpg",
         file: "https://raw.githubusercontent.com/KhronosGroup/glTF-Sample-Assets/refs/heads/main/Models/Lantern/glTF/Lantern.gltf",
         scale: { x: 0.1, y: 0.1, z: 0.1 }
       }