diff --git a/backend/api/v1/modules/a76/invoices/imports/temporary/validators/update.py b/backend/api/v1/modules/a76/invoices/imports/temporary/validators/update.py
index 97ee1843..d30069a4 100644
--- a/backend/api/v1/modules/a76/invoices/imports/temporary/validators/update.py
+++ b/backend/api/v1/modules/a76/invoices/imports/temporary/validators/update.py
@@ -58,7 +58,7 @@ def validate_update(
     
     # Columna A: Pedimento (si no viene en CSV, usar el existente)
     if invoice_data.compliance_mx.pedimento_id:
-        invoice_data.compliance_mx.pedimento_id = clean_str(invoice_data.compliance_mx.pedimento_id)
+        invoice_data.compliance_mx.pedimento_id = invoice_data.compliance_mx.pedimento_id
     else:
         invoice_data.compliance_mx.pedimento_id = existing_invoice.compliance_mx.pedimento_id if existing_invoice.compliance_mx else None