diff --git a/tox.ini b/tox.ini
index 200deb04da..aa84cc4c05 100644
--- a/tox.ini
+++ b/tox.ini
@@ -32,6 +32,9 @@ commands =
     sh -c 'COVERAGE_FILE={toxinidir}/.coverage-functional OS_TEST_PATH={toxinidir}/octavia/tests/functional python setup.py testr --coverage --testr-args='{posargs}''
     coverage combine {toxinidir}/.coverage-py27 {toxinidir}/.coverage-functional
     coverage report --fail-under=80 --skip-covered
+    # Generate a new HTML report with the combined results
+    # otherwise the HTML report will only show partial results
+    coverage html -d cover
 
 [testenv:functional]
 setenv = OS_TEST_PATH={toxinidir}/octavia/tests/functional