diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 69e0a99212105e20a22fda0a1860caf95a3a1d88..2730b34da70814f51f81fd8747ad95098caa3422 100755
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -88,6 +88,7 @@ unit-test-ubuntu:
     - py.test test/test_unit/test_corepers -vx
     - py.test test/test_unit/test_align -vx
     - py.test test/test_unit/test_tree -xv
+    - coverage html
     - mv .coverage .coverage-unit
   artifacts:
     paths: