diff --git a/addons/account_analytic_analysis/account_analytic_analysis.py b/addons/account_analytic_analysis/account_analytic_analysis.py
index 785d7cd6db0..513c42e9ef6 100644
--- a/addons/account_analytic_analysis/account_analytic_analysis.py
+++ b/addons/account_analytic_analysis/account_analytic_analysis.py
@@ -73,7 +73,7 @@ class account_analytic_invoice_line(osv.osv):
 
         result = {}
         res = self.pool.get('product.product').browse(cr, uid, product, context=context)
-        result.update({'name': name or res.description or False,'uom_id': uom_id or res.uom_id.id or False, 'price_unit': price_unit or res.list_price or 0.0})
+        result.update({'name': name or res.description or False,'uom_id': uom_id or res.uom_id.id or False, 'price_unit': price_unit if price_unit is not False else (res.list_price or 0.0)})
 
         res_final = {'value':result}
         if result['uom_id'] != res.uom_id.id: