diff --git a/assets/js/creations/file.js b/assets/js/creations/file.js
index 61b5ecb6..a85c6968 100755
--- a/assets/js/creations/file.js
+++ b/assets/js/creations/file.js
@@ -660,7 +660,7 @@ export async function parseMmpContent(xmlString) {
 
   const firstInst = newTracks.find((t) => t.type !== "bassline");
   appState.pattern.activeTrackId = firstInst ? firstInst.id : null;
-  appState.pattern.activePatternIndex = 0;
+  appState.pattern.activePatternIndex = null;
 
   loadStateFromSession();
 
diff --git a/assets/js/creations/pattern/pattern_ui.js b/assets/js/creations/pattern/pattern_ui.js
index 5f2b767f..cc09feda 100755
--- a/assets/js/creations/pattern/pattern_ui.js
+++ b/assets/js/creations/pattern/pattern_ui.js
@@ -308,49 +308,52 @@ export function updateStepUI(trackIndex, patternIndex, stepIndex, isActive) {
 
 // Atualiza o dropdown de patterns na toolbar
 export function updateGlobalPatternSelector() {
-    const globalPatternSelector = document.getElementById('global-pattern-selector');
-    if (!globalPatternSelector) return;
+  const sel = document.getElementById("global-pattern-selector");
+  if (!sel) return;
 
-    const activeTrackId = appState.pattern.activeTrackId;
-    const activeTrack = appState.pattern.tracks.find(t => t.id === activeTrackId);
-    
-    // Tenta pegar a track ativa ou a primeira visível como referência de patterns
-    const isFocused = !!appState.pattern.focusedBasslineId;
-    const referenceTrack = isFocused
-      ? appState.pattern.tracks.find(t => t.type !== "bassline" && t.parentBasslineId !== null)
-      : (activeTrack || appState.pattern.tracks.find(t => !t.isMuted && t.type !== "bassline"));
+  const isFocused = !!appState.pattern.focusedBasslineId;
 
-    globalPatternSelector.innerHTML = ''; 
+  // track de referência que tenha patterns
+  const referenceTrack = (appState.pattern.tracks || []).find(
+    (t) => t.type !== "bassline" && Array.isArray(t.patterns) && t.patterns.length > 0
+  );
 
-    if (referenceTrack && referenceTrack.patterns && referenceTrack.patterns.length > 0) {
-      const isFocused = !!appState.pattern.focusedBasslineId;
-      const hasSelection = Number.isInteger(appState.pattern.activePatternIndex);
+  sel.innerHTML = "";
 
-      globalPatternSelector.innerHTML = '';
+  if (!referenceTrack) {
+    const opt = document.createElement("option");
+    opt.textContent = "Sem patterns";
+    sel.appendChild(opt);
+    sel.disabled = true;
+    return;
+  }
 
-      if (!isFocused && !hasSelection) {
-        const ph = document.createElement('option');
-        ph.value = '';
-        ph.textContent = 'Selecione uma pattern…';
-        ph.disabled = true;
-        ph.selected = true;
-        globalPatternSelector.appendChild(ph);
-      }
+  const hasSelection = Number.isInteger(appState.pattern.activePatternIndex);
 
-      referenceTrack.patterns.forEach((pattern, index) => {
-        const option = document.createElement('option');
-        option.value = index;
-        option.textContent = pattern.name;
-        globalPatternSelector.appendChild(option);
-      });
+  // ✅ placeholder só quando NÃO está focado e NÃO tem seleção
+  if (!isFocused && !hasSelection) {
+    const ph = document.createElement("option");
+    ph.value = "";
+    ph.textContent = "Selecione uma pattern";
+    ph.disabled = true;
+    ph.selected = true;
+    sel.appendChild(ph);
+  }
 
-      // ✅ em vez de forçar 0
-      globalPatternSelector.value = hasSelection ? String(appState.pattern.activePatternIndex) : '';
-      globalPatternSelector.disabled = false;
-    } else {
-        const option = document.createElement('option');
-        option.textContent = 'Sem patterns';
-        globalPatternSelector.appendChild(option);
-        globalPatternSelector.disabled = true;
-    }
-}
\ No newline at end of file
+  referenceTrack.patterns.forEach((p, idx) => {
+    const opt = document.createElement("option");
+    opt.value = String(idx);
+    opt.textContent = p.name || `Pattern ${idx + 1}`;
+    sel.appendChild(opt);
+  });
+
+  if (isFocused) {
+    // em foco: se não tiver índice ainda, cai pra 0
+    sel.value = String(appState.pattern.activePatternIndex ?? 0);
+  } else {
+    // fora de foco: só seta valor se realmente existir seleção
+    sel.value = hasSelection ? String(appState.pattern.activePatternIndex) : "";
+  }
+
+  sel.disabled = false;
+}