diff --git a/infrastructure/postgres/landlord_construction_age_band_override_table.py b/infrastructure/postgres/landlord_construction_age_band_override_table.py
index 598bbf56..91eec66e 100644
--- a/infrastructure/postgres/landlord_construction_age_band_override_table.py
+++ b/infrastructure/postgres/landlord_construction_age_band_override_table.py
@@ -23,10 +23,14 @@ from infrastructure.postgres.landlord_override_enums import override_source_sa_e
 class LandlordConstructionAgeBandOverrideRow(SQLModel, table=True):
     __tablename__: ClassVar[str] = "landlord_construction_age_band_overrides"  # pyright: ignore[reportIncompatibleVariableOverride]
     __table_args__: ClassVar[tuple[UniqueConstraint, ...]] = (  # pyright: ignore[reportIncompatibleVariableOverride]
+        # NB: shortened (drop the redundant ``_overrides``) to stay within
+        # PostgreSQL's 63-char identifier limit -- the full
+        # ``landlord_construction_age_band_overrides_portfolio_description_unique``
+        # is 68 chars and would be silently truncated, diverging from Drizzle.
         UniqueConstraint(
             "portfolio_id",
             "description",
-            name="landlord_construction_age_band_overrides_portfolio_description_unique",
+            name="landlord_construction_age_band_portfolio_description_unique",
         ),
     )