diff --git a/main.js b/main.js
index 87b8c8c7da2e..89c13183d01c 100644
--- a/main.js
+++ b/main.js
@@ -361,6 +361,11 @@ async function startApp() {
   // we will refactor this to not use electron IPC, which will make it much
   // more efficient.
   ipcMain.on('getWorkerWindowId', event => {
+    if (workerWindow.isDestroyed()) {
+      // prevent potential race-condition issues on app close
+      // https://github.com/stream-labs/desktop/pull/4239
+      return;
+    }
     event.returnValue = workerWindow.webContents.id;
   });