diff --git a/__tests__/helpers/sanitizeName.spec.js b/__tests__/helpers/sanitizeName.spec.js
new file mode 100644
index 0000000000000000000000000000000000000000..3690d66665390c1f40d1a3b5c39f3278de3e4ca0
--- /dev/null
+++ b/__tests__/helpers/sanitizeName.spec.js
@@ -0,0 +1,7 @@
+const { sanitizeLastname } = require('../../src/helpers/sanitizeName')
+
+describe('sanitizeLastname', () => {
+  it('should return sanitized name', async () => {
+    expect(sanitizeLastname('âêîôûäàëïöüéèç')).toEqual('aeiouaaeioueec')
+  })
+})
diff --git a/src/helpers/sanitizeName.js b/src/helpers/sanitizeName.js
index 8c9016f353b9797054bdf2a8896414d0469a54cd..ed54801ae712e3438cd7b62e41f7a9082b2f359d 100644
--- a/src/helpers/sanitizeName.js
+++ b/src/helpers/sanitizeName.js
@@ -5,6 +5,7 @@ const REPLACE_CHARS = {
   ô: 'o',
   û: 'u',
   ä: 'a',
+  à: 'a',
   ë: 'e',
   ï: 'i',
   ö: 'o',
@@ -21,7 +22,7 @@ const REPLACE_CHARS = {
  */
 function sanitizeLastname(lastname) {
   return lastname
-    .replace(/[âêîôûäëïüéèç]/g, match => REPLACE_CHARS[match])
+    .replace(/[âêîôûäàëïöüéèç]/g, match => REPLACE_CHARS[match])
     .trim()
 }