diff --git a/electron.js b/electron.js
index 813e372..7f41feb 100644
--- a/electron.js
+++ b/electron.js
@@ -217,7 +217,7 @@ const standardIPCReply = (event, channel, data, error) => {
     event.sender.send(channel, {
       data: {
         ...data,
-        Error: error,
+        Error: error instanceof Error ? error.toString() : error,
         Success: !error,
       }
     });