diff --git a/frontend/src/ts/event-handlers/global.ts b/frontend/src/ts/event-handlers/global.ts
index 5ade85713..d6d440541 100644
--- a/frontend/src/ts/event-handlers/global.ts
+++ b/frontend/src/ts/event-handlers/global.ts
@@ -6,6 +6,7 @@ import { getCommandline } from "../utils/async-modules";
 
 document.addEventListener("keydown", async (e) => {
   if (PageTransition.get()) return;
+  if (e.key === undefined) return;
 
   if (
     (e.key === "Escape" && Config.quickRestart !== "esc") ||
diff --git a/frontend/src/ts/ready.ts b/frontend/src/ts/ready.ts
index a34af177f..0392d91fe 100644
--- a/frontend/src/ts/ready.ts
+++ b/frontend/src/ts/ready.ts
@@ -131,6 +131,7 @@ window.onunhandledrejection = function (e): void {
       customTitle: "DEV: Unhandled rejection",
       duration: 5,
     });
+    console.error(e);
   }
   void log("error", {
     error: e.reason.stack ?? "",