@@ -253,6 +253,12 @@ describe("sanitizeFeatureBranchName", () => {
   ])("keeps the fallback for unprefixed input %s", (input, expected) => {
     expect(sanitizeFeatureBranchName(input)).toBe(expected);
   });
+
+  it("keeps accented letters as their plain letters", () => {
+    expect(sanitizeFeatureBranchName("fix/Añadir validación del café")).toBe(
+      "fix/anadir-validacion-del-cafe",
+    );
+  });
 });
 
 describe("resolveAutoFeatureBranchName", () => {
 
@@ -19,6 +19,9 @@ const TEMP_WORKTREE_BRANCH_PATTERN = new RegExp(
 
 export function sanitizeBranchFragment(raw: string): string {
   const normalized = raw
+    // Fold accented letters to ASCII so "validación" keeps its "o" instead of splitting the word.
+    .normalize("NFKD")
+    .replace(/[̀-ͯ]/g, "")
     .trim()
     .toLowerCase()
     .replace(/['"`]/g, "")