diff --git a/aleksis/core/settings.py b/aleksis/core/settings.py
index 6d965fb349accc0ad877475b8a1f3570c5205c78..121b7ea074eeaca18192c1d66aafd52ee45a2180 100644
--- a/aleksis/core/settings.py
+++ b/aleksis/core/settings.py
@@ -388,6 +388,7 @@ CONSTANCE_CONFIG_FIELDSETS = {
     "Footer settings": ("PRIVACY_URL", "IMPRINT_URL"),
 }
 
+merge_app_settings("CONSTANCE_ADDITIONAL_FIELD", CONSTANCE_ADDITIONAL_FIELDS, False)
 merge_app_settings("CONSTANCE_CONFIG", CONSTANCE_CONFIG, False)
 merge_app_settings("CONSTANCE_CONFIG_FIELDSETS", CONSTANCE_CONFIG_FIELDSETS, False)