diff --git a/src/main.ts b/src/main.ts
index f415b80..8d45ce5 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -295,12 +295,17 @@ async function initJuego() {
   window.requestAnimationFrame(loop);
 }
 
-document.getElementById("full-screen")!.addEventListener("click", async () => {
-  document.documentElement.requestFullscreen &&
-    (await document.documentElement.requestFullscreen({
-      navigationUI: "hide",
-    }));
-  await screen.orientation.lock("landscape");
-});
+const fullscreenEl = document.getElementById("full-screen")!;
+if ("requestFullscreen" in document.documentElement) {
+  fullscreenEl.addEventListener("click", async () => {
+    document.documentElement.requestFullscreen &&
+      (await document.documentElement.requestFullscreen({
+        navigationUI: "hide",
+      }));
+    await screen.orientation.lock("landscape");
+  });
+} else {
+  fullscreenEl.hidden = true;
+}
 
 initJuego();