diff --git a/taiga/mdrender/service.py b/taiga/mdrender/service.py
index e0307302..9c7990b5 100644
--- a/taiga/mdrender/service.py
+++ b/taiga/mdrender/service.py
@@ -75,6 +75,7 @@ def _make_extensions_list(project=None):
             TaigaReferencesExtension(project),
             "extra",
             "codehilite",
+            "sane_lists",
             "nl2br"]