diff --git a/calamares/openmamba-postinstall/main.py b/calamares/openmamba-postinstall/main.py
index 8559294..10a9100 100644
--- a/calamares/openmamba-postinstall/main.py
+++ b/calamares/openmamba-postinstall/main.py
@@ -12,20 +12,20 @@ def run():
     """ Complete setup after openmamba installation  """
 
     # fix root path ('/') permissions
-    libcalamares.utils.chroot_call(['chmod', '0755', '/'])
+    libcalamares.utils.target_env_call(['chmod', '0755', '/'])
 
     # remove bluetooth config with livecd hostname
-    libcalamares.utils.chroot_call(['rm', '-f', '/var/lib/bluetooth/*/config'])
+    libcalamares.utils.target_env_call(['rm', '-f', '/var/lib/bluetooth/*/config'])
 
     # create user home
     username = libcalamares.globalstorage.value("username")
 
-    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',
+    libcalamares.utils.target_env_call(['cp', '-r', '/etc/skel/.', '/home/%s' % username ])
+    libcalamares.utils.target_env_call(['chmod', '0711', '/home/%s' % username ])
+    libcalamares.utils.target_env_call(['mkdir', '-p', '/home/%s/.config/autostart' % username ])
+    libcalamares.utils.target_env_call(['ln', '-s', '/usr/share/openmamba/mambabase/mambabase-autostart.desktop',
                                     '/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 ])
+    libcalamares.utils.target_env_call(['chown', '-R', '%s:users' % username, '/home/%s' % username ])
+    libcalamares.utils.target_env_call(['chown', '-R', '%s:users' % username, '/home/%s/.config' % username ])
 
     return None