diff --git a/.github/workflows/vagrant-box-archivematica.yml b/.github/workflows/vagrant-box-archivematica.yml
index f446de3..cff3b9a 100644
--- a/.github/workflows/vagrant-box-archivematica.yml
+++ b/.github/workflows/vagrant-box-archivematica.yml
@@ -28,16 +28,16 @@ jobs:
         wget -O- https://www.virtualbox.org/download/oracle_vbox_2016.asc | sudo gpg --yes --output /usr/share/keyrings/oracle-virtualbox-2016.gpg --dearmor
         echo "deb [arch=amd64 signed-by=/usr/share/keyrings/oracle-virtualbox-2016.gpg] https://download.virtualbox.org/virtualbox/debian $(lsb_release -cs) contrib" | sudo tee /etc/apt/sources.list.d/virtualbox.list
         sudo apt update && sudo apt install virtualbox-7.1
-        sudo usermod -a -G vboxusers $USER
     - name: Install packer plugins
       run: |
         packer plugins install github.com/hashicorp/virtualbox
         packer plugins install github.com/hashicorp/ansible
         packer plugins install github.com/hashicorp/vagrant
+    - name: Set the user environment as VirtualBox expects it
+      run: |
+        echo "USER=$USER" >> $GITHUB_ENV
+        echo "LOGNAME=$USER" >> $GITHUB_ENV
     - name: Build
-      env:
-        LOGNAME: "runner"
-        USER: "runner"
       run: |
         cd ${{ github.workspace }}/packer/templates/vagrant-base-ubuntu-20.04-amd64
         packer build -on-error=abort template.json