diff --git a/share/server/dispatch-quickjs.js b/share/server/dispatch-quickjs.js
index 2f05118b31..a1210dcbcd 100644
--- a/share/server/dispatch-quickjs.js
+++ b/share/server/dispatch-quickjs.js
@@ -142,10 +142,10 @@ function handleError(e) {
       respond(["error", e.error, e.reason]);
       return true;
     } else if (e.name) {
-      respond(["error", e.name, e]);
+      respond(["error", e.name, errstr(e)]);
       return true;
     } else {
-      respond(["error","unnamed_error", e.stack]);
+      respond(["error","unnamed_error", errstr(e)]);
       return true;
     }
   };