diff --git a/index.css b/index.css
index f85ba873..ed81773f 100644
--- a/index.css
+++ b/index.css
@@ -2067,6 +2067,11 @@ div.textual span,
   overflow: auto;
 }
 
+#notesBody > iframe {
+  pointer-events: none;
+  user-select: none;
+}
+
 #notesBody p {
   margin: 4px;
 }
diff --git a/modules/markers-generator.js b/modules/markers-generator.js
index 1aefca5e..50acf34d 100644
--- a/modules/markers-generator.js
+++ b/modules/markers-generator.js
@@ -519,7 +519,7 @@ window.Markers = (function () {
 
       const dungeonSeed = `${seed}${cell}`;
       const name = "Dungeon";
-      const legend = `<div>Undiscovered dungeon. See <a href="https://watabou.github.io/one-page-dungeon/?seed=${dungeonSeed}" target="_blank">One page dungeon</a></div><iframe style="height: 33vh" src="https://watabou.github.io/one-page-dungeon/?seed=${dungeonSeed}" sandbox="allow-scripts allow-same-origin"></iframe>`;
+      const legend = `<div>Undiscovered dungeon. See <a href="https://watabou.github.io/one-page-dungeon/?seed=${dungeonSeed}" target="_blank">One page dungeon</a></div><iframe src="https://watabou.github.io/one-page-dungeon/?seed=${dungeonSeed}" sandbox="allow-scripts allow-same-origin"></iframe>`;
       notes.push({id, name, legend});
       quantity--;
     }