diff --git a/data/slide.json b/data/slide.json
index b2b2f84..c7a6fec 100644
--- a/data/slide.json
+++ b/data/slide.json
@@ -1,7 +1,7 @@
 [
   {
     "title": "3D-Druck",
-    "video": "img/slide/vid01.mp4"
+    "video": "img/slide/vid-3d-01.webm"
   },
   {
     "title": "Individuelle Lichtausstattung",
diff --git a/static/img/slide/vid-3d-01.webm b/static/img/slide/vid-3d-01.webm
new file mode 100644
index 0000000..d4f4bcb
Binary files /dev/null and b/static/img/slide/vid-3d-01.webm differ
diff --git a/static/img/slide/vid01.mp4 b/static/img/slide/vid01.mp4
deleted file mode 100644
index 2340361..0000000
Binary files a/static/img/slide/vid01.mp4 and /dev/null differ