diff --git a/frontend/src/components/PhotoStartPanel.jsx b/frontend/src/components/PhotoStartPanel.jsx
index 1d15756..7df1f2d 100644
--- a/frontend/src/components/PhotoStartPanel.jsx
+++ b/frontend/src/components/PhotoStartPanel.jsx
@@ -5,6 +5,7 @@ import PzBusy from './PzBusy.jsx'
 import { t } from '../i18n/index.js'
 import { matchPhotoFiles } from '../utils/photoImport.js'
 import { materializeFile } from '../utils/zipReader.js'
+import { initialsOf } from '../utils/initial.js'
 
 function withEmphasis(text) {
   const [before, emphasized = '', after = ''] = text.split(/<\/?em>/)
@@ -21,10 +22,6 @@ function plural(n, one, many, vars = {}) {
   return n === 1 ? t(one, vars) : t(many, { n, ...vars })
 }
 
-function initialsOf(person) {
-  return initialsOf(person)
-}
-
 // Dossier où le logiciel d'origine rangeait la première photo citée, pour aider à le retrouver
 function folderOf(filePath) {
   const parts = String(filePath || '').split(/([\\/])/)
diff --git a/frontend/src/components/PhotoStartPanel.test.jsx b/frontend/src/components/PhotoStartPanel.test.jsx
new file mode 100644
index 0000000..82ca878
--- /dev/null
+++ b/frontend/src/components/PhotoStartPanel.test.jsx
@@ -0,0 +1,22 @@
+import { renderToStaticMarkup } from 'react-dom/server'
+import { describe, expect, it } from 'vitest'
+import PhotoStartPanel from './PhotoStartPanel.jsx'
+
+// Les visages à compléter, sans aperçu : chaque portrait vide montre les initiales de la personne
+describe('PhotoStartPanel, visages sans photo', () => {
+  it('affiche les initiales, une seule pour un nom chinois', () => {
+    const html = renderToStaticMarkup(
+      <PhotoStartPanel
+        visible
+        personsImported={2}
+        faces={[
+          { id: 'a', firstName: 'Jeanne', lastName: 'Duval', birthYear: 1950 },
+          { id: 'b', firstName: '小明', lastName: '王', birthYear: 1978 },
+        ]}
+        onClose={() => {}}
+      />,
+    )
+    expect(html).toContain('>JD</span>')
+    expect(html).toContain('>王</span>')
+  })
+})