diff --git a/init.el b/init.el
index 656b0dd..f42bb6b 100644
--- a/init.el
+++ b/init.el
@@ -27,6 +27,11 @@
 ;; Don't ping things that look like domain names.
 (setq ffap-machine-p-known 'reject)
 
+;; Ask the user whether to terminate asynchronous compilations on exit.
+;; This prevents native compilation from leaving temporary files in /tmp.
+(setq native-comp-async-query-on-exit t)
+(setq confirm-kill-processes t)  ; Required for `native-comp-async-query-on-exit'
+
 ;;; Undo/redo
 
 (setq undo-limit (* 13 160000)