diff --git a/zsh-syntax-highlighting.zsh b/zsh-syntax-highlighting.zsh
index 9ff3a7f..5f2659e 100644
--- a/zsh-syntax-highlighting.zsh
+++ b/zsh-syntax-highlighting.zsh
@@ -306,6 +306,7 @@ _zsh_highlight_preexec_hook()
   typeset -gi _ZSH_HIGHLIGHT_PRIOR_CURSOR=
 }
 autoload -U add-zsh-hook
+add-zsh-hook -d preexec _zsh_highlight_preexec_hook
 add-zsh-hook preexec _zsh_highlight_preexec_hook 2>/dev/null || {
     echo 'zsh-syntax-highlighting: failed loading add-zsh-hook.' >&2
   }