diff --git a/hlna-git/postinstall.sh b/hlna-git/postinstall.sh
index a4655d8..5e4f802 100755
--- a/hlna-git/postinstall.sh
+++ b/hlna-git/postinstall.sh
@@ -1,5 +1,6 @@
 #!/usr/bin/env bash
 if test -e ~/.zshrc; then
+zsh
 sed -i -e '$aalias hlna="hlna.py"' ~/.zshrc
 sed -i -e '$aalias hlna-bot="hlna-bot.py"' ~/.zshrc
 source ~/.zshrc