diff --git a/aleksis/apps/untis/settings.py b/aleksis/apps/untis/settings.py
index beab82de815167f163d77077fe0da92e16077dae..69db865e2d05c1d9241aca7d19b7ddf0e1c3a559 100644
--- a/aleksis/apps/untis/settings.py
+++ b/aleksis/apps/untis/settings.py
@@ -9,6 +9,7 @@ if _settings.get("untis.database.enabled"):
             "PASSWORD": _settings.get("untis.database.password", None),
             "HOST": _settings.get("untis.database.host", "127.0.0.1"),
             "PORT": _settings.get("untis.database.port", 3306),
+            "CONN_MAX_AGE": _settings.get("untis.database.conn_max_age", 0),
             "OPTIONS": _settings.get("untis.database.options", {}),
         }
     }