diff --git a/images/archlinux/base-devel/Dockerfile b/images/archlinux/base-devel/Dockerfile
index 320ae3b..a27fc63 100644
--- a/images/archlinux/base-devel/Dockerfile
+++ b/images/archlinux/base-devel/Dockerfile
@@ -7,6 +7,7 @@ RUN <<EOT
     useradd -m notroot
     echo "notroot ALL=(ALL) NOPASSWD: ALL" > /etc/sudoers.d/notroot
     sed -i 's|#DisableSandbox|DisableSandbox|' /etc/pacman.conf
+    sed -i 's|^DownloadUser\s*=|#DownloadUser=|' /etc/pacman.conf
 EOT
 
 USER notroot