diff --git a/dynamicweb/settings/base.py b/dynamicweb/settings/base.py
index 6eff26f8..a4db650c 100644
--- a/dynamicweb/settings/base.py
+++ b/dynamicweb/settings/base.py
@@ -481,7 +481,7 @@ GUARDIAN_GET_INIT_ANONYMOUS_USER = 'membership.models.get_anonymous_user_instanc
 #############################################
 
 # The oneadmin user name of the OpenNebula infrastructure
-OPENNEBULA_USERNAME = env('OPENNEBULA_USER')
+OPENNEBULA_USERNAME = env('OPENNEBULA_USERNAME')
 
 # The oneadmin password of the OpenNebula infrastructure
 # The default credentials of the Sandbox OpenNebula VM is
diff --git a/requirements.txt b/requirements.txt
index 8f7e730e..86499301 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -82,7 +82,7 @@ stripe==1.33.0
 wheel==0.29.0
 django-admin-honeypot==1.0.0
 coverage==4.3.4
-
+git+https://github.com/python-oca/python-oca.git#egg=python-oca