diff --git a/installer.sh b/installer.sh
index fff6e6e..4b35182 100644
--- a/installer.sh
+++ b/installer.sh
@@ -90,7 +90,7 @@ setup_chroot(){
 
 post_install(){
   printf "Postinstall\n"
-  ([ -f "$postinstall" ] && cp "$postinstall" /tmp/postinstall.sh) || wget -qO- "$1" > /tmp/postinstall.sh
+  ([ -f "$postinstall" ] && cp "$postinstall" /tmp/postinstall.sh) || wget -qO- "$postinstall" > /tmp/postinstall.sh
   su - "$user" -c "zsh -lc 'sh /tmp/postinstall.sh \"$@\" '"
 }