diff --git a/orchestra/apps/domains/tests/functional_tests/tests.py b/orchestra/apps/domains/tests/functional_tests/tests.py
index d4fe1dd2..9762c7a9 100644
--- a/orchestra/apps/domains/tests/functional_tests/tests.py
+++ b/orchestra/apps/domains/tests/functional_tests/tests.py
@@ -197,7 +197,7 @@ class DomainTestMixin(object):
         self.addCleanup(partial(self.delete, self.domain_name))
         self.update(self.domain_name, self.domain_update_records)
         self.add(self.www_name, self.www_records)
-        time.sleep(1)
+        time.sleep(0.5)
         self.validate_update(self.MASTER_SERVER_ADDR, self.domain_name)
         time.sleep(5)
         self.validate_update(self.SLAVE_SERVER_ADDR, self.domain_name)
diff --git a/orchestra/bin/orchestra-admin b/orchestra/bin/orchestra-admin
index 49ef7102..ca0a250f 100755
--- a/orchestra/bin/orchestra-admin
+++ b/orchestra/bin/orchestra-admin
@@ -195,14 +195,18 @@ function install_requirements () {
     run update-rc.d rabbitmq-server defaults
     
     # Patch passlib
-    from collections import OrderedDict
-    
     IMPORT="from django.contrib.auth.hashers import mask_hash, _"
     COLLECTIONS="from collections import OrderedDict"
     sed -i "s/${IMPORT}, SortedDict/${IMPORT}\n        ${COLLECTIONS}/" \
         /usr/local/lib/python2.7/dist-packages/passlib/ext/django/utils.py
     sed -i "s/SortedDict/OrderedDict/g" \
         /usr/local/lib/python2.7/dist-packages/passlib/ext/django/utils.py
+    
+    # Patch dateutil
+    sed -i "s/elif not isinstance(dt2, datetime.datetime):/else:/" \
+        /usr/local/lib/python2.7/dist-packages/dateutil/relativedelta.py
+    sed -i "s/if not type(dt1) == type(dt2): #isinstance(dt1, type(dt2)):/if not isinstance(dt2, type(dt1)):/" \
+        /usr/local/lib/python2.7/dist-packages/dateutil/relativedelta.py
 }
 export -f install_requirements