diff --git a/91-teardown.sh b/91-teardown.sh
index d5fdff6..619d55b 100755
--- a/91-teardown.sh
+++ b/91-teardown.sh
@@ -89,12 +89,12 @@ rvm implode
 sudo apt -y purge gnupg2
 sudo apt -y autoremove
 
-tac ~/.bashrc       | sed '/# Load RVM/,+4 d' | tac > ~/elifkrow; [ -s ~/elifkrow ] && mv ~/elifkrow ~/.bashrc
-tac ~/.bash_profile | sed '/# Load RVM/,+1 d' | tac > ~/elifkrow; [ -s ~/elifkrow ] && mv ~/elifkrow ~/.bash_profile
-tac ~/.mkshrc       | sed '/\.rvm\/bin/,+2 d' | tac > ~/elifkrow; [ -s ~/elifkrow ] && mv ~/elifkrow ~/.mkshrc
-tac ~/.profile      | sed '/# Load RVM/,+4 d' | tac > ~/elifkrow; [ -s ~/elifkrow ] && mv ~/elifkrow ~/.profile
-tac ~/.zlogin       | sed '/# Load RVM/,+1 d' | tac > ~/elifkrow; [ -s ~/elifkrow ] && mv ~/elifkrow ~/.zlogin
-tac ~/.zshrc        | sed '/\.rvm\/bin/,+2 d' | tac > ~/elifkrow; [ -s ~/elifkrow ] && mv ~/elifkrow ~/.zshrc
+[ -f ~/.bashrc       ] && tac ~/.bashrc       | sed '/# Load RVM/,+4 d' | tac > ~/elifkrow; [ -s ~/elifkrow ] && mv ~/elifkrow ~/.bashrc
+[ -f ~/.bash_profile ] && tac ~/.bash_profile | sed '/# Load RVM/,+1 d' | tac > ~/elifkrow; [ -s ~/elifkrow ] && mv ~/elifkrow ~/.bash_profile
+[ -f ~/.mkshrc       ] && tac ~/.mkshrc       | sed '/\.rvm\/bin/,+2 d' | tac > ~/elifkrow; [ -s ~/elifkrow ] && mv ~/elifkrow ~/.mkshrc
+[ -f ~/.profile      ] && tac ~/.profile      | sed '/# Load RVM/,+4 d' | tac > ~/elifkrow; [ -s ~/elifkrow ] && mv ~/elifkrow ~/.profile
+[ -f ~/.zlogin       ] && tac ~/.zlogin       | sed '/# Load RVM/,+1 d' | tac > ~/elifkrow; [ -s ~/elifkrow ] && mv ~/elifkrow ~/.zlogin
+[ -f ~/.zshrc        ] && tac ~/.zshrc        | sed '/\.rvm\/bin/,+2 d' | tac > ~/elifkrow; [ -s ~/elifkrow ] && mv ~/elifkrow ~/.zshrc
 [ -f ~/elifkrow ] && rm ~/elifkrow
 
 if [ $(cat .setupphase.txt) -eq 7 ]; then