diff --git a/init.d/basics/input.el b/init.d/basics/input.el
index 0b2f748..9ead2a0 100644
--- a/init.d/basics/input.el
+++ b/init.d/basics/input.el
@@ -73,6 +73,7 @@ With ARG, do it that many times."
 ;; Display available keybindings.
 (use-package which-key
   :diminish which-key-mode
+  :defines ('which-key-mode)
   :config (which-key-mode))
 
 ;; Navigate between windows with alt+arrows.