diff --git a/action.yml b/action.yml
index 9d1d3e3..246b4bb 100644
--- a/action.yml
+++ b/action.yml
@@ -18,7 +18,7 @@ runs:
       with:
         entrypoint: bash
         args: |
-          -c 'useradd -m user && echo "user ALL=(ALL:ALL) NOPASSWD: ALL" >/etc/sudoers.d/user && chmod 777 . && su -c "makepkg -s" - user'
+          -c 'useradd -m user && echo "user ALL=(ALL:ALL) NOPASSWD: ALL" >/etc/sudoers.d/user && chmod 777 . && sudo -u user -- makepkg -s'
     
     - name: Ensure .SRCINFO is up to date
       uses: docker://docker.io/library/archlinux:base-devel