diff --git a/addons/web/static/src/webclient/actions/reports/report.scss b/addons/web/static/src/webclient/actions/reports/report.scss
index c2ca9e270cb..5065f54d2fb 100644
--- a/addons/web/static/src/webclient/actions/reports/report.scss
+++ b/addons/web/static/src/webclient/actions/reports/report.scss
@@ -190,3 +190,7 @@ ul.o_checklist {
         border: 0 none;
     }
 }
+
+li.oe-nested {
+    display: block;
+}