diff --git a/install_zsh.sh b/install_zsh.sh
index 3140629..7dc51e2 100644
--- a/install_zsh.sh
+++ b/install_zsh.sh
@@ -15,6 +15,7 @@ fi
 
 # Installing
 set -x
+sh -c "$(wget -O- https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"
 wget -O ~/.zshrc https://nakidai.ddns.net/nakidai/dotfiles/raw/branch/master/zsh/.zshrc > /dev/null 2>&1
 git clone https://github.com/zsh-users/zsh-syntax-highlighting.git ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-syntax-highlighting > /dev/null 2>&1
 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