diff --git a/ceilometer/compute/network.py b/ceilometer/compute/network.py
index 5907084f..4b1a7625 100644
--- a/ceilometer/compute/network.py
+++ b/ceilometer/compute/network.py
@@ -41,7 +41,7 @@ class FloatingIPPollster(plugin.PollsterBase):
                                       user_id=None,
                                       project_id=ip.project_id,
                                       resource_id=ip.id,
-                                      datetime=None,
+                                      timestamp=None,
                                       duration=None,
                                       resource_metadata={
                         'address': ip.address,
diff --git a/run_tests.sh b/run_tests.sh
index c15c227f..58c24ad0 100755
--- a/run_tests.sh
+++ b/run_tests.sh
@@ -2,5 +2,5 @@
 # Simple test runner, should be replaced with tox
 
 rm -rf cover
-nosetests -P -d -v --with-coverage --cover-package=ceilometer --cover-inclusive tests
+nosetests -P -d -v --cover-erase --with-coverage --cover-package=ceilometer --cover-inclusive tests
 tox -e pep8