diff --git a/gestionatr/input/messages/F1.py b/gestionatr/input/messages/F1.py
index 76d41571..96698bdb 100644
--- a/gestionatr/input/messages/F1.py
+++ b/gestionatr/input/messages/F1.py
@@ -402,7 +402,7 @@ def get_create_invoice_params(self):
             'check_total': abs(self.datos_factura.importe_total_factura),
             'origin': self.datos_factura.codigo_fiscal_factura,
             'origin_date_invoice': self.datos_factura.fecha_factura,
-            'reference': self.datos_factura.identificador_emisora,
+            'reference': self.datos_factura.codigo_fiscal_factura,
         }
 
 
diff --git a/tests/test_input.py b/tests/test_input.py
index 0b3ad901..b16d689b 100644
--- a/tests/test_input.py
+++ b/tests/test_input.py
@@ -1349,7 +1349,7 @@ def testATRInvoice(self):
                 'check_total': 100,
                 'origin': 'F0001',
                 'origin_date_invoice': '2017-05-01',
-                'reference': 'B11254455',
+                'reference': 'F0001',
             }
         )
 
@@ -2057,7 +2057,7 @@ def test_spaces_are_deleted(self):
                 'check_total': 100,
                 'origin': 'F0001',
                 'origin_date_invoice': '2017-05-01',
-                'reference': 'B11254455',
+                'reference': 'F0001',
             }
         )