diff --git a/install_zsh.sh b/install_zsh.sh
index bab884c..d12ec7f 100644
--- a/install_zsh.sh
+++ b/install_zsh.sh
@@ -13,7 +13,7 @@ if [ ! command -v git &> /dev/null ]; then
 fi
 
 # Asking if user really want to install
-read -p 'This script will replace ~/.zshrc with its own. If you still want to run it, type "y": ' -n 1 -r
+read -p 'This script will replace ~/.zshrc with its own and place old to ~/.zshrc.old if it exists. Type y to run it: ' -n 1 -r
 echo
 if [[ ! $REPLY =~ ^[Yy]$ ]]; then
     exit 1
@@ -25,8 +25,11 @@ if ! test -f ~/.oh-my-zsh/oh-my-zsh.sh; then
     showcom eval "git clone https://github.com/ohmyzsh/ohmyzsh.git ~/.oh-my-zsh --depth 1 > /dev/null 2>&1"
     showcom eval "rm -rf ~/.oh-my-zsh/.git"
 fi
+if test -f ~/.zshrc; then
+    showcom eval "cp ~/.zshrc ~/.zshrc.old"
+fi;
+showcom eval "wget -O ~/.zshrc https://nakidai.ddns.net/nakidai/dotfiles/raw/branch/master/zsh/.zshrc > /dev/null 2>&1"
 showcom eval "git clone https://github.com/zsh-users/zsh-syntax-highlighting.git ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-syntax-highlighting --depth 1 > /dev/null 2>&1"
 showcom eval "rm -rf ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-syntax-highlighting/.git"
-showcom eval "wget -O ~/.zshrc https://nakidai.ddns.net/nakidai/dotfiles/raw/branch/master/zsh/.zshrc > /dev/null 2>&1"
-showcom eval "wget -O ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/themes/headline.zsh-theme https://nakidai.ddns.net/nakidai/dotfiles/raw/branch/master/zsh/headline.zsh-theme > /dev/null 2>&1"
+showcom eval "wget -O ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/themes/headline_nakidai.zsh-theme https://nakidai.ddns.net/nakidai/dotfiles/raw/branch/master/zsh/headline_nakidai.zsh-theme > /dev/null 2>&1"
 echo "Done"
diff --git a/zsh/.zshrc b/zsh/.zshrc
index 746288b..d8aaa7f 100644
--- a/zsh/.zshrc
+++ b/zsh/.zshrc
@@ -1,6 +1,6 @@
 export ZSH="$HOME/.oh-my-zsh"
 export EDITOR=nvim
-ZSH_THEME="headline"
+ZSH_THEME="headline_nakidai"
 plugins=(git zsh-syntax-highlighting)
 source $ZSH/oh-my-zsh.sh
 
diff --git a/zsh/headline.zsh-theme b/zsh/headline_nakidai.zsh-theme
similarity index 100%
rename from zsh/headline.zsh-theme
rename to zsh/headline_nakidai.zsh-theme