diff --git a/install.sh b/install.sh
index 321e807..90d6710 100644
--- a/install.sh
+++ b/install.sh
@@ -2,7 +2,7 @@
 cd ~
 cp ~/.zshrc ~/.zshrc.bak
 
-if [ ! -f $(which starship 2>/dev/null) ]; then
+if [[ ! -f $(which starship 2>/dev/null) ]] then
     echo "Installing starship..."
 	curl -sS https://starship.rs/install.sh | sh
 fi
@@ -19,6 +19,7 @@ fi
 if [ -n $(sed -n '/source ~\/.p10k.zsh/=' ~/.zshrc) ]; then
     sed -i -e '/# To customize prompt, run `p10k configure` or edit ~\/.p10k.zsh./d' ~/.zshrc
     sed -i -e '/^\[\[ \! -f ~\/.p10k.zsh .*/d' ~/.zshrc
+    sed -i -e 's/^ZSH_THEME="powerlevel10k\/powerlevel10k"/#ZSH_THEME="powerlevel10k\/powerlevel10k"/' ~/.zshrc
 fi
 
 # install starship theme & alias plugin