diff --git a/index.html b/index.html
index 1813af1d..2123c59a 100644
--- a/index.html
+++ b/index.html
@@ -17,7 +17,7 @@
         <input type="button" value="FreeBSD 10.2 (13.0 MB)" id="start_freebsd">
         - Restored from snapshot<br>
         <input type="button" value="Oberon (16.0 MB)" id="start_oberon">
-        - Native Oberon 2.3.6 (<a href="https://lists.inf.ethz.ch/pipermail/oberon/2013/006844.html">via</a>)<br>
+        - Native Oberon 2.3.6<br>
         <input type="button" value="Windows 98 (12.0 MB)" id="start_windows98">
         - Including Minesweeper, additional sectors are loaded as needed<br>
         <input type="button" value="Arch Linux (10.1 MB)" id="start_archlinux">
diff --git a/src/browser/main.js b/src/browser/main.js
index 5edea7e9..655c81cd 100644
--- a/src/browser/main.js
+++ b/src/browser/main.js
@@ -240,14 +240,10 @@
             },
             {
                 id: "oberon",
-                // https://lists.inf.ethz.ch/pipermail/oberon/2013/006844.html
-                fda: {
-                    "url": HOST + "images/oberon-boot.dsk",
-                    "size": 1440 * 1024,
-                },
                 hda: {
-                    "url": HOST + "images/oberon.dsk",
-                    "size": 41943040,
+                    "url": HOST + "images/oberon.img",
+                    "async": false,
+                    "size": 24 * 1024 * 1024,
                 },
                 name: "Oberon",
             },