diff --git a/tools/install.sh b/tools/install.sh
index aedb706da..238f856cf 100755
--- a/tools/install.sh
+++ b/tools/install.sh
@@ -1,25 +1,25 @@
-if [ -d ~/.oh-my-zsh ]
+if [ -d $HOME/.oh-my-zsh ]
 then
-  echo "\033[0;33mYou already have Oh My Zsh installed.\033[0m You'll need to remove ~/.oh-my-zsh if you want to install"
+  echo "\033[0;33mYou already have Oh My Zsh installed.\033[0m You'll need to remove $HOME/.oh-my-zsh if you want to install"
   exit
 fi
 
 echo "\033[0;34mCloning Oh My Zsh...\033[0m"
-/usr/bin/env git clone https://github.com/robbyrussell/oh-my-zsh.git ~/.oh-my-zsh
+/usr/bin/env git clone https://github.com/robbyrussell/oh-my-zsh.git $HOME/.oh-my-zsh
 
 echo "\033[0;34mLooking for an existing zsh config...\033[0m"
-if [ -f ~/.zshrc ] || [ -h ~/.zshrc ]
+if [ -f $HOME/.zshrc ] || [ -h $HOME/.zshrc ]
 then
-  echo "\033[0;33mFound ~/.zshrc.\033[0m \033[0;32]Backing up to ~/.zshrc.pre-oh-my-zsh\033[0m";
-  cp ~/.zshrc ~/.zshrc.pre-oh-my-zsh;
-  rm ~/.zshrc;
+  echo "\033[0;33mFound $HOME/.zshrc.\033[0m \033[0;32]Backing up to $HOME/.zshrc.pre-oh-my-zsh\033[0m";
+  cp $HOME/.zshrc $HOME/.zshrc.pre-oh-my-zsh;
+  rm $HOME/.zshrc;
 fi
 
-echo "\033[0;34mUsing the Oh My Zsh template file and adding it to ~/.zshrc\033[0m"
-cp ~/.oh-my-zsh/templates/zshrc.zsh-template ~/.zshrc
+echo "\033[0;34mUsing the Oh My Zsh template file and adding it to $HOME/.zshrc\033[0m"
+cp $HOME/.oh-my-zsh/templates/zshrc.zsh-template $HOME/.zshrc
 
-echo "\033[0;34mCopying your current PATH and adding it to the end of ~/.zshrc for you.\033[0m"
-echo "export PATH=$PATH" >> ~/.zshrc
+echo "\033[0;34mCopying your current PATH and adding it to the end of $HOME/.zshrc for you.\033[0m"
+echo "export PATH=$PATH" >> $HOME/.zshrc
 
 echo "\033[0;34mTime to change your default shell to zsh!\033[0m"
 chsh -s `which zsh`
@@ -33,4 +33,4 @@ echo "\033[0;32m"'                        /____/                       '"\033[0m
 
 echo "\n\n \033[0;32m....is now installed.\033[0m"
 /usr/bin/env zsh
-source ~/.zshrc
+source $HOME/.zshrc