diff --git a/tox.ini b/tox.ini
index aa256067..8658a585 100644
--- a/tox.ini
+++ b/tox.ini
@@ -15,10 +15,10 @@ commands = flake8 monasca_log_api
 setenv =
     NOSE_WITH_COVERAGE=1
     NOSE_COVER_PACKAGE=monasca_log_api
+    NOSE_COVER_HTML=1
 
 [flake8]
 exclude = .git,.tox,dist,docs,*.egg,build
 show-source = True
 
 [hacking]
-