diff --git a/apps/desktop/electron/main.cjs b/apps/desktop/electron/main.cjs
index c8e31becf6e..be89c6c91cf 100644
--- a/apps/desktop/electron/main.cjs
+++ b/apps/desktop/electron/main.cjs
@@ -6551,6 +6551,12 @@ app.on('before-quit', () => {
   flushDesktopLogBufferSync()
   closePreviewWatchers()
 
+  // Kill open PTYs before environment teardown to avoid the node-pty#904
+  // ThreadSafeFunction SIGABRT race.
+  for (const id of [...terminalSessions.keys()]) {
+    disposeTerminalSession(id)
+  }
+
   if (hermesProcess && !hermesProcess.killed) {
     hermesProcess.kill('SIGTERM')
   }