diff --git a/install.sh b/install.sh
index d33a343..fba7799 100644
--- a/install.sh
+++ b/install.sh
@@ -17,8 +17,9 @@ base=https://github.com/docker/machine/releases/download/v0.14.0 &&
     sudo install /tmp/docker-machine /usr/local/bin/docker-machine
 
 echo "\nInstalling ZSH Docker Compose auto completion\n"
-echo "fpath=(~/.zsh/completion $fpath)" > ~/.zshrc
-echo "autoload -Uz compinit && compinit -i" > ~/.zshrc
+echo "fpath=(~/.zsh/completion $fpath)" >> ~/.zshrc
+echo "autoload -Uz compinit && compinit -i" >> ~/.zshrc
 
 echo "\nRefreshing ZSH Env\n"
-source ~/.zshrc
+exec $SHELL -l
+