diff --git a/bt5/erp5_open_trade/SkinTemplateItem/portal_skins/erp5_open_trade/OpenOrder_updateSimulation.xml b/bt5/erp5_open_trade/SkinTemplateItem/portal_skins/erp5_open_trade/OpenOrder_updateSimulation.xml
index e7035e0151c6a4469b95abb2ebe0967384afbc53..0ac40a21479b26ae1cb3c44d1762d9575adb8551 100644
--- a/bt5/erp5_open_trade/SkinTemplateItem/portal_skins/erp5_open_trade/OpenOrder_updateSimulation.xml
+++ b/bt5/erp5_open_trade/SkinTemplateItem/portal_skins/erp5_open_trade/OpenOrder_updateSimulation.xml
@@ -55,7 +55,7 @@
 for open_order_line in context.contentValues():\n
   for path in [open_order_line] + open_order_line.getCellValueList():\n
     for item in path.getAggregateValueList():\n
-       if item.providesIExpendable():\n
+       if item.providesIExpandable():\n
          subscription_item_dict[item] = 1\n
 \n
 # XXX tag / after tag !\n
diff --git a/bt5/erp5_open_trade/bt/revision b/bt5/erp5_open_trade/bt/revision
index 8bfa2f5ecdcecb29a2a68f2b68907198364f6c90..eaf7a13d15e02e082b62c96f10b881336ece332c 100644
--- a/bt5/erp5_open_trade/bt/revision
+++ b/bt5/erp5_open_trade/bt/revision
@@ -1 +1 @@
-86
\ No newline at end of file
+87
\ No newline at end of file