diff --git a/android/app/src/main/java/com/remotedisplay/player/player/ZoneManager.kt b/android/app/src/main/java/com/remotedisplay/player/player/ZoneManager.kt
index a1c5e05..7b9c1e1 100644
--- a/android/app/src/main/java/com/remotedisplay/player/player/ZoneManager.kt
+++ b/android/app/src/main/java/com/remotedisplay/player/player/ZoneManager.kt
@@ -252,6 +252,14 @@ class ZoneManager(
                         override fun onPlaybackStateChanged(state: Int) {
                             if (state == Player.STATE_ENDED) handler.post { advance() }
                         }
+                        // Same reason MediaPlayerManager treats a playback error as a completion
+                        // ("Root-2: a corrupt/undecodable video used to freeze the playlist
+                        // forever"): an error lands in STATE_IDLE, never STATE_ENDED, so without
+                        // this the zone stops rotating and goes black until the layout changes or
+                        // the app restarts — while every other zone keeps going.
+                        override fun onPlayerError(error: androidx.media3.common.PlaybackException) {
+                            handler.post { advance() }
+                        }
                     })
                     prepare()
                     playWhenReady = true
diff --git a/server/player/index.html b/server/player/index.html
index 896f888..54ef27a 100644
--- a/server/player/index.html
+++ b/server/player/index.html
@@ -3091,7 +3091,16 @@
         video.loop = !multi; // single-item zone loops; multi advances on end
         video.playsInline = true;
         video.style.cssText = `width:100%;height:100%;object-fit:${zone.fit_mode || 'cover'}`;
-        if (multi) video.onended = advance;
+        if (multi) {
+          video.onended = advance;
+          // A zone video advanced ONLY on `ended`, with no error handler and — alone among the zone
+          // branches — no timer either. A 404, an unreachable remote_url, an undecodable clip, or an
+          // `ended` that simply never fires left that region black for days while the other zones
+          // kept rotating: the screen looks half broken and nothing self-heals. The fullscreen web
+          // path and Tizen's ZoneRenderer both already carry these two guards.
+          video.onerror = advance;
+          zoneTimers[zone.id] = setTimeout(advance, dur + 5000);
+        }
         div.appendChild(video);
       } else {
         const img = document.createElement('img');