diff --git a/web-app/frontend/src/instruments/helpers/AddNameManager.ts b/web-app/frontend/src/instruments/helpers/AddNameManager.ts
index 6d153f6f..f3f02cce 100644
--- a/web-app/frontend/src/instruments/helpers/AddNameManager.ts
+++ b/web-app/frontend/src/instruments/helpers/AddNameManager.ts
@@ -2,6 +2,12 @@ import { WikidataLanguage, AddNameForm, NameEntry } from '../Types';
 import { NameValidator } from './NameValidator';
 import { Modal } from 'bootstrap';
 
+function normalize(str: string): string {
+  return str
+    .normalize('NFD') // split accents
+    .replace(/[\u0300-\u036f]/g, ''); // remove accents
+}
+
 export class AddNameManager {
   private rowIndex: number = 1;
   private languages: WikidataLanguage[];
@@ -20,12 +26,22 @@ export class AddNameManager {
     row.classList.add('row', 'mb-1', 'name-row');
 
     // Create datalist options dynamically using the languages
-    let datalistOptions: string = this.languages
-      .map(
-        (language: WikidataLanguage) => `
-        <option value="${language.wikidata_code}">${language.autonym} - ${language.en_label}</option>
-    `,
-      )
+    let datalistOptions = this.languages
+      .map((language) => {
+        const normalizedAutonym = normalize(language.autonym);
+        // Only include normalized version if it's different
+        const displayNormalized =
+          normalizedAutonym !== language.autonym
+            ? ` (${normalizedAutonym})`
+            : '';
+
+        return `
+        <option
+          value="${language.wikidata_code}"
+          label="${language.autonym}${displayNormalized} – ${language.en_label}">
+        </option>
+      `;
+      })
       .join('');
 
     row.innerHTML = `