diff --git a/docker/prezto/install.zsh b/docker/prezto/install.zsh
index 9cca57ed..2b2e878c 100644
--- a/docker/prezto/install.zsh
+++ b/docker/prezto/install.zsh
@@ -9,7 +9,7 @@ for rcfile in "${ZDOTDIR:-$HOME}"/.zprezto/runcoms/^README.md(.N); do
   ln -nsf "$rcfile" "${ZDOTDIR:-$HOME}/.${rcfile:t}"
 done
 
-ln -s "${HOME}/p9k/powerlevel9k.zsh-theme" \
+ln -snf "${HOME}/p9k/powerlevel9k.zsh-theme" \
   "${HOME}/.zprezto/modules/prompt/functions/prompt_powerlevel9k_setup"
 
 echo "zstyle ':prezto:module:prompt' theme 'powerlevel9k'" \