diff --git a/orchestra/apps/domains/admin.py b/orchestra/apps/domains/admin.py
index 9d965078..fb518a13 100644
--- a/orchestra/apps/domains/admin.py
+++ b/orchestra/apps/domains/admin.py
@@ -81,6 +81,7 @@ class DomainAdmin(AccountAdminMixin, ExtendedModelAdmin):
     
     def display_is_top(self, domain):
         return domain.is_top
+    display_is_top.short_description = _("Is top")
     display_is_top.boolean = True
     display_is_top.admin_order_field = 'top'
     
diff --git a/orchestra/apps/orchestration/backends.py b/orchestra/apps/orchestration/backends.py
index c231821d..2efa8eee 100644
--- a/orchestra/apps/orchestration/backends.py
+++ b/orchestra/apps/orchestration/backends.py
@@ -1,5 +1,6 @@
 from functools import partial
 
+from django.db.models.loading import get_model
 from django.utils import timezone
 from django.utils.translation import ugettext_lazy as _
 
@@ -70,6 +71,10 @@ class ServiceBackend(plugins.Plugin):
     def get_backend(cls, name):
         return cls.get_plugin(name)
     
+    @classmethod
+    def model_class(cls):
+        return get_model(cls.model)
+    
     def get_banner(self):
         time = timezone.now().strftime("%h %d, %Y %I:%M:%S")
         return "Generated by Orchestra at %s" % time
diff --git a/orchestra/apps/resources/models.py b/orchestra/apps/resources/models.py
index e4c291b5..b65f9505 100644
--- a/orchestra/apps/resources/models.py
+++ b/orchestra/apps/resources/models.py
@@ -93,7 +93,7 @@ class Resource(models.Model):
         self.sync_periodic_task()
         # This only work on tests (multiprocessing used on real deployments)
         apps.get_app_config('resources').reload_relations()
-        run('sleep 2 && touch %s/wsgi.py' % get_project_root(), async=True, display=True)
+        run('sleep 2 && touch %s/wsgi.py' % get_project_root(), async=True)
     
     def delete(self, *args, **kwargs):
         super(Resource, self).delete(*args, **kwargs)
diff --git a/orchestra/apps/resources/tasks.py b/orchestra/apps/resources/tasks.py
index 9b571c7f..8ffb05c0 100644
--- a/orchestra/apps/resources/tasks.py
+++ b/orchestra/apps/resources/tasks.py
@@ -1,5 +1,4 @@
 from celery import shared_task
-from django.db.models.loading import get_model
 
 from orchestra.apps.orchestration.models import BackendOperation as Operation
 from orchestra.models.utils import get_model_field_path
@@ -16,7 +15,7 @@ def monitor(resource_id, ids=None):
     # Execute monitors
     for monitor_name in resource.monitors:
         backend = ServiceMonitor.get_backend(monitor_name)
-        model = get_model(backend.model)
+        model = backend.model_class()
         kwargs = {}
         if ids:
             path = get_model_field_path(model, resource_model)
diff --git a/orchestra/utils/system.py b/orchestra/utils/system.py
index a51434f5..dffcf6e6 100644
--- a/orchestra/utils/system.py
+++ b/orchestra/utils/system.py
@@ -113,7 +113,7 @@ def run(command, display=False, error_codes=[0], silent=False, stdin='', async=F
     if return_code not in error_codes:
         out.failed = True
         msg = "\nrun() encountered an error (return code %s) while executing '%s'\n"
-        msg = msg % (p.returncode, command)
+        msg = msg % (return_code, command)
         if display:
             sys.stderr.write("\n\033[1;31mCommandError: %s %s\033[m\n" % (msg, err))
         if not silent: