diff --git a/msys2-installer/make-msys2-installer b/msys2-installer/make-msys2-installer
index 0a29da36..a8fdaf6b 100644
--- a/msys2-installer/make-msys2-installer
+++ b/msys2-installer/make-msys2-installer
@@ -111,8 +111,8 @@ create_chroot_system() {
   mkdir -p var/log
   mkdir -p tmp
 
-  pacman -Syu --rootrebase "${_newmsys}"
-  pacman -S base --noconfirm --rootrebase "${_newmsys}"
+  pacman -Syu --root "${_newmsys}"
+  pacman -S base --noconfirm --root "${_newmsys}"
   _result=$?
   if [ "$_result" -ne "0" ]; then
     exit_cleanly "1" "failed to create newmsys2 via command 'pacman -S base --noconfirm --root ${_newmsys}'"