diff --git a/CHANGELOG b/CHANGELOG
index 26f0840a7b..25e1a26576 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,5 @@
+* Add invoice number to report name
+
 Version 1.2.0 - 2009-04-20
 * Bug fixes (see mercurial logs for details)
 * Add accounting date on invoice
diff --git a/invoice.py b/invoice.py
index 27351ebeba..4a0567cd4b 100644
--- a/invoice.py
+++ b/invoice.py
@@ -2077,12 +2077,18 @@ class InvoiceReport(Report):
     _name = 'account.invoice'
 
     def execute(self, cursor, user, ids, datas, context=None):
+        invoice_obj = self.pool.get('account.invoice')
+
         if context is None:
             context = {}
         res = super(InvoiceReport, self).execute(cursor, user, ids, datas,
                 context=context)
         if len(ids) > 1 or datas['id'] != ids[0]:
             res = (res[0], res[1], True, res[3])
+        else:
+            invoice = invoice_obj.browse(cursor, user, ids[0], context=context)
+            if invoice.number:
+                res = (res[0], res[1], res[2], res[3] + ' - ' + invoice.number)
         return res
 
     def _get_objects(self, cursor, user_id, ids, model, datas, context):