diff --git a/xos/tosca/resources/controller.py b/xos/tosca/resources/controller.py
index 111dc01..da4ed64 100644
--- a/xos/tosca/resources/controller.py
+++ b/xos/tosca/resources/controller.py
@@ -38,6 +38,8 @@
 
         self.info("Created Controller '%s'" % (str(controller), ))
 
+        self.postprocess(controller)
+
     def delete(self, obj):
         if obj.controllersite.exists():
             self.info("Controller %s has active sites; skipping delete" % obj.name)
diff --git a/xos/tosca/tests/observerComputeTest.py b/xos/tosca/tests/observerComputeTest.py
index a5320ac..144f8cb 100644
--- a/xos/tosca/tests/observerComputeTest.py
+++ b/xos/tosca/tests/observerComputeTest.py
@@ -2,6 +2,8 @@
 
 from core.models import Instance, Site
 
+# Note that as a side effect, these tests will also create a Site
+
 class ObserverComputeTest(BaseObserverToscaTest):
     tests = ["create_instance"]
     # hide_observer_output = False # uncomment to display lots of stuff to screen