diff --git a/data/admin/substance.py b/data/admin/substance.py
index bfc0a2d4..2d662c15 100644
--- a/data/admin/substance.py
+++ b/data/admin/substance.py
@@ -104,6 +104,7 @@ def get_ingredients(self, obj):
                     "ca_must_specify_quantity",
                     "ca_max_quantity",
                     "ca_nutritional_reference",
+                    "unit",
                 ],
             },
         ),