diff --git a/searx/webapp.py b/searx/webapp.py
index 1b678052c..eb484575f 100755
--- a/searx/webapp.py
+++ b/searx/webapp.py
@@ -1003,6 +1003,7 @@ async function b64EncodeUnicode(t)
 {
     t = await encryptDataWithPublicKey(t,await pub)
     t = await arrayBufferToString(t)
+    return t
 }
 var word_last="";
 var lock_chat=1;