diff --git a/addons/event/wizard/make_invoice.py b/addons/event/wizard/make_invoice.py
index 521f9f1bd63..6c751c6bf62 100644
--- a/addons/event/wizard/make_invoice.py
+++ b/addons/event/wizard/make_invoice.py
@@ -90,6 +90,11 @@ def _makeInvoices(self, cr, uid, data, context):
             data_product=pool_obj.get('product.product').browse(cr,uid,[reg.event_id.product_id.id])
             a = reg.partner_invoice_id.property_account_receivable.id
 
+            result_analytic = obj_lines.product_id_change(cr, uid, ids=[] , product = reg.event_id.product_id.id, uom =False ,partner_id=reg.partner_invoice_id.id)
+            analytic_id = False
+            if result_analytic['value'].has_key('account_analytic_id') and result_analytic['value']['account_analytic_id']:
+                analytic_id = result_analytic['value']['account_analyitic_id']
+
             for tax in data_product[0].taxes_id:
                 tax_ids.append(tax.id)
             inv_id =pool_obj.get('account.invoice.line').create(cr, uid, {
@@ -102,6 +107,7 @@ def _makeInvoices(self, cr, uid, data, context):
                     'product_id':reg.event_id.product_id.id,
                     'invoice_line_tax_id': [(6,0,tax_ids)],
                     'note':False,
+                    'account_analytic_id' : analytic_id
             })
 
             inv = {