diff --git a/calamares/openmamba-postinstall/main.py b/calamares/openmamba-postinstall/main.py
index d51399d..f27172c 100644
--- a/calamares/openmamba-postinstall/main.py
+++ b/calamares/openmamba-postinstall/main.py
@@ -20,12 +20,12 @@ def run():
     # create user home
     username = libcalamares.globalstorage.value("username")
 
-    libcalamares.utils.chroot_call(['cp', '-a', '/etc/skel', '/home/' . username ])
-    libcalamares.utils.chroot_call(['chmod', '0711', '/home/' . username ])
-    libcalamares.utils.chroot_call(['mkdir', '-p', '/home/' . username . '/.config/autostart' ])
+    libcalamares.utils.chroot_call(['cp', '-r', '/etc/skel/.', '/home/%s' % username ])
+    libcalamares.utils.chroot_call(['chmod', '0711', '/home/%s' % username ])
+    libcalamares.utils.chroot_call(['mkdir', '-p', '/home/%s/.config/autostart' % username ])
     libcalamares.utils.chroot_call(['ln', '-s', '/usr/share/openmamba/mambabase/mambabase-autostart.desktop',
-                                    '/home/' . username . '/.config/autostart/mambabase.desktop' ])
-    libcalamares.utils.chroot_call(['chown', '-R ', username . '.users', '/home/' . username ])
-    libcalamares.utils.chroot_call(['chown', '-R ', username . '.users', '/home/' . username . '/.config' ])
+                                    '/home/%s/.config/autostart/mambabase.desktop' % username ])
+    libcalamares.utils.chroot_call(['chown', '-R ', '%s:users' % username, '/home/%s' % username ])
+    libcalamares.utils.chroot_call(['chown', '-R ', '%s:users' % username, '/home/%s/.config' % username ])
 
     return None