diff --git a/frontend-modern/src/components/Settings/APITokenManager.tsx b/frontend-modern/src/components/Settings/APITokenManager.tsx
index 208b42f..df22331 100644
--- a/frontend-modern/src/components/Settings/APITokenManager.tsx
+++ b/frontend-modern/src/components/Settings/APITokenManager.tsx
@@ -222,10 +222,10 @@ export const APITokenManager: Component<APITokenManagerProps> = (props) => {
                         <td class="py-2 px-3 text-gray-900 dark:text-gray-100">{token.name || 'Untitled token'}</td>
                         <td class="py-2 px-3 font-mono text-xs text-gray-600 dark:text-gray-400">{tokenHint(token)}</td>
                         <td class="py-2 px-3 text-gray-600 dark:text-gray-400">
-                          {formatRelativeTime(token.createdAt)}
+                          {formatRelativeTime(new Date(token.createdAt).getTime())}
                         </td>
                         <td class="py-2 px-3 text-gray-600 dark:text-gray-400">
-                          {token.lastUsedAt ? formatRelativeTime(token.lastUsedAt) : 'Never'}
+                          {token.lastUsedAt ? formatRelativeTime(new Date(token.lastUsedAt).getTime()) : 'Never'}
                         </td>
                         <td class="py-2 px-3 text-right">
                           <button
diff --git a/frontend-modern/src/components/Settings/DockerAgents.tsx b/frontend-modern/src/components/Settings/DockerAgents.tsx
index 62c5a5a..296cfba 100644
--- a/frontend-modern/src/components/Settings/DockerAgents.tsx
+++ b/frontend-modern/src/components/Settings/DockerAgents.tsx
@@ -336,7 +336,7 @@ WantedBy=multi-user.target`;
                                 {token.prefix && token.suffix ? `${token.prefix}…${token.suffix}` : '—'}
                               </td>
                               <td class="py-2 px-2 text-gray-600 dark:text-gray-400">
-                                {token.lastUsedAt ? formatRelativeTime(token.lastUsedAt) : 'Never'}
+                                {token.lastUsedAt ? formatRelativeTime(new Date(token.lastUsedAt).getTime()) : 'Never'}
                               </td>
                             </tr>
                           )}