diff --git a/assets/js/creations/socket.js b/assets/js/creations/socket.js
index 80be8076..df98f228 100755
--- a/assets/js/creations/socket.js
+++ b/assets/js/creations/socket.js
@@ -67,14 +67,32 @@ export function debouncedSyncPatternState() {
 
   syncXmlTimeout = setTimeout(async () => {
     try {
-      // Pegamos apenas o JSON do estado atual
-      const patternState = appState.pattern;
+      // 🧹 A MÁGICA AQUI: Criamos um clone limpo apenas com os dados essenciais
+      // ignorando os objetos complexos de áudio que causam o erro circular.
+      const cleanPatternState = {
+        activePatternIndex: appState.pattern.activePatternIndex,
+        tracks: (appState.pattern.tracks || []).map(track => {
+          return {
+            id: track.id,
+            name: track.name,
+            type: track.type,
+            patternIndex: track.patternIndex,
+            isMuted: track.isMuted,
+            volume: track.volume,
+            pan: track.pan,
+            instrumentSourceId: track.instrumentSourceId,
+            parentBasslineId: track.parentBasslineId,
+            patterns: track.patterns,
+            playlist_clips: track.playlist_clips
+          };
+        })
+      };
 
-      // Faz o upload silencioso do JSON
+      // Faz o upload silencioso do JSON na porta correta do backend!
       await fetch(`https://alice.ufsj.edu.br:${PORT_SOCK}/api/save_room_state`, {
         method: "POST",
         headers: { "Content-Type": "application/json" },
-        body: JSON.stringify({ roomName: currentRoom, patternState }),
+        body: JSON.stringify({ roomName: currentRoom, patternState: cleanPatternState }),
       });
       console.log("[Backup] Estado JSON salvo com segurança via HTTP.");
     } catch (err) {