diff --git a/desktop/config.js b/desktop/config.js
index 50f774b..a17e0ff 100644
--- a/desktop/config.js
+++ b/desktop/config.js
@@ -40,7 +40,7 @@ export function getDefaultDesktopConfig() {
       logToFile: false,
       logConsole: true,
       logRequests: false,
-      maxSentenceLength: 128,
+      maxSentenceLength: 512,
       checkUpdate: true,
       cacheSize: 1000,
       modelDir: getDefaultModelDir(),