diff --git a/product/ERP5Subversion/Tool/SubversionTool.py b/product/ERP5Subversion/Tool/SubversionTool.py
index 5509ebfdcc6b480eeaef16c049d1a13df0fbd01f..81ffd2a43c1281aba6e78b3b44a56fb8565e3918 100644
--- a/product/ERP5Subversion/Tool/SubversionTool.py
+++ b/product/ERP5Subversion/Tool/SubversionTool.py
@@ -719,7 +719,7 @@ class SubversionTool(BaseTool, UniqueObject, Folder):
             return wc_path
           else:
             return os.sep.join(wc_path.split(os.sep)[:-1])
-    raise SubversionUnknownBusinessTemplateError,
+    raise SubversionUnknownBusinessTemplateError, \
         "Could not find '%s' at first level of working copies." % (bt_name, )
 
   def _getWorkingPath(self, path):