diff --git a/product/ERP5/Document/BusinessTemplate.py b/product/ERP5/Document/BusinessTemplate.py
index 9481778b2f83719e9c00d2b92bfba4f79906c123..1e982af998549b9e5a8d49ff98ad0a7f1c6cd7ad 100755
--- a/product/ERP5/Document/BusinessTemplate.py
+++ b/product/ERP5/Document/BusinessTemplate.py
@@ -1250,7 +1250,7 @@ Business Template is a set of definitions, such as skins, portal types and categ
       installed_bt = self.portal_templates.getInstalledBusinessTemplate(self.getTitle())
       if installed_bt is not None:
         installed_bt.trash(self)
-        installed_bt.replace()
+        installed_bt.replace(self)
 
       # Update local dictionary containing all setup parameters
       # This may include mappings