diff --git a/tmux_zsh_install.sh b/tmux_zsh_install.sh
index b132a79..990e76b 100644
--- a/tmux_zsh_install.sh
+++ b/tmux_zsh_install.sh
@@ -26,7 +26,7 @@ echo "Create => .aliases"
 cat << EOF >> ~/.aliases
 alias ip='ip --color=auto'
 alias ssht='ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no'
-alias gp="git add -A && git commit -m "modify: $(date)" && git push"
+alias gp="git add -A && git commit -m \"modify: $(date)\" && git push"
 EOF
 
 echo "Add link .aliases to .bashrc"