diff --git a/frontend/src/components/WinnerBadge.jsx b/frontend/src/components/WinnerBadge.jsx
index ae66f41..4bc3e91 100644
--- a/frontend/src/components/WinnerBadge.jsx
+++ b/frontend/src/components/WinnerBadge.jsx
@@ -49,7 +49,7 @@ export default function WinnerBadge({ winner, winnerEmail }) {
 
           {showEmail && (
             <div style={{ fontSize: 12, opacity: 0.8, color: stylesTokens.textDim }}>
-              {winner.display_name}
+              {winner.email}
             </div>
           )}
         </div>
diff --git a/frontend/src/components/WinnerCard.jsx b/frontend/src/components/WinnerCard.jsx
index ad7d625..c16a12b 100644
--- a/frontend/src/components/WinnerCard.jsx
+++ b/frontend/src/components/WinnerCard.jsx
@@ -25,7 +25,7 @@ export default function WinnerCard({
             <option value="">— kein Sieger —</option>
             {members.map((m) => (
               <option key={m.id} value={m.id}>
-                {m.display_name}
+                {m.email}
               </option>
             ))}
           </select>