diff --git a/wizard/pca_fae_export_wizard.py b/wizard/pca_fae_export_wizard.py
index defaae12a80a2f360aaa4942364ed166d75c77ea..e5762308f804bb4870581e9138076923907add80 100644
--- a/wizard/pca_fae_export_wizard.py
+++ b/wizard/pca_fae_export_wizard.py
@@ -170,7 +170,7 @@ class PCAExportController(http.Controller):
                             'journal': 'CH',
                             'compte': line.account_id.code,
                             'debit': line.price_subtotal_signed * pca.year_percent * 0.01 if line.price_subtotal_signed > 0 else 0.0,
-                            'credit': line.price_subtotal_signed * pca.year_percent * 0.01 if line.price_subtotal_signed < 0 else 0.0,
+                            'credit': -line.price_subtotal_signed * pca.year_percent * 0.01 if line.price_subtotal_signed < 0 else 0.0,
                             'libelle': 'PCA-' + invoice.partner_id.name + ' - Facture ' + invoice.number + ' - ' + line.name,
                             'piece': invoice.number,
                             'echeance': invoice.date_due,
@@ -180,7 +180,7 @@ class PCAExportController(http.Controller):
                             'date': invoice.date_invoice,
                             'journal': 'CH',
                             'compte': '487000',
-                            'debit': line.price_subtotal_signed * pca.year_percent * 0.01 if line.price_subtotal_signed < 0 else 0.0,
+                            'debit': -line.price_subtotal_signed * pca.year_percent * 0.01 if line.price_subtotal_signed < 0 else 0.0,
                             'credit': line.price_subtotal_signed * pca.year_percent * 0.01 if line.price_subtotal_signed > 0 else 0.0,
                             'libelle': 'PCA-' + invoice.partner_id.name + ' - Facture ' + invoice.number + ' - ' + line.name,
                             'piece': invoice.number,