diff --git a/airflow/www/views.py b/airflow/www/views.py
index 6238f02e5c637a..9d8e37a2b99344 100644
--- a/airflow/www/views.py
+++ b/airflow/www/views.py
@@ -2022,7 +2022,7 @@ def landing_times(self, session=None):
         return self.render(
             'airflow/chart.html',
             dag=dag,
-            chart=chart.htmlcontent,
+            chart=Markup(chart.htmlcontent),
             height=str(chart_height + 100) + "px",
             demo_mode=conf.getboolean('webserver', 'demo_mode'),
             root=root,
diff --git a/airflow/www_rbac/views.py b/airflow/www_rbac/views.py
index 7c601ba5d3eb63..be7a384f90c238 100644
--- a/airflow/www_rbac/views.py
+++ b/airflow/www_rbac/views.py
@@ -1890,7 +1890,7 @@ def landing_times(self, session=None):
         return self.render_template(
             'airflow/chart.html',
             dag=dag,
-            chart=chart.htmlcontent,
+            chart=Markup(chart.htmlcontent),
             height=str(chart_height + 100) + "px",
             demo_mode=conf.getboolean('webserver', 'demo_mode'),
             root=root,