diff --git a/hlna-git/postinstall.sh b/hlna-git/postinstall.sh
index 6365929..2faec47 100644
--- a/hlna-git/postinstall.sh
+++ b/hlna-git/postinstall.sh
@@ -1,9 +1,9 @@
 #!/usr/bin/env bash
-if test -f $HOME/.zshrc; then
+if test -e ~/.zshrc; then
 sed -i -e '$aalias hlna="hlna.py"' ~/.zshrc
 sed -i -e '$aalias hlna-bot="hlna-bot.py"' ~/.zshrc
 source ~/.zshrc
-elif test -f $HOME/.config/fish/config.fish; then
+elif test -e ~/.config/fish/config.fish; then
 sed -i -e '$alias hlna="hlna.py"' ~/.config/fish/config.fish
 sed -i -e '$alias hlna-bot="hlna-bot.py"' ~/.config/fish/config.fish
 source ~/.config/fish/config.fish