diff --git a/l10n_br_mdfe/models/document_supplement.py b/l10n_br_mdfe/models/document_supplement.py
index 4c902c57b055..3c6097652d21 100644
--- a/l10n_br_mdfe/models/document_supplement.py
+++ b/l10n_br_mdfe/models/document_supplement.py
@@ -6,8 +6,12 @@
 from odoo.addons.spec_driven_model.models import spec_models
 
 
-class MDFeSupplement(spec_models.SpecModel):
+class MDFeSupplement(spec_models.StackedModel):
     _name = "l10n_br_fiscal.document.supplement"
     _inherit = ["l10n_br_fiscal.document.supplement", "mdfe.30.infmdfesupl"]
+    _mdfe30_odoo_module = (
+        "odoo.addons.l10n_br_mdfe_spec.models.v3_0.mdfe_tipos_basico_v3_00"
+    )
+    _mdfe30_stacking_mixin = "mdfe.30.infmdfesupl"
 
     mdfe30_qrCodMDFe = fields.Char(related="qrcode")