diff --git a/packages/graphile-build-pg/src/plugins/PgColumnsPlugin.js b/packages/graphile-build-pg/src/plugins/PgColumnsPlugin.js
index a03796df7..c14f76837 100644
--- a/packages/graphile-build-pg/src/plugins/PgColumnsPlugin.js
+++ b/packages/graphile-build-pg/src/plugins/PgColumnsPlugin.js
@@ -255,6 +255,7 @@ end
                             attr.type.domainHasDefault) &&
                           !attr.tags.notNull) ||
                         attr.hasDefault ||
+                        attr.tags.hasDefault ||
                         attr.identity === "d",
                       pgGetGqlInputTypeByTypeIdAndModifier(
                         attr.typeId,