diff --git a/product/ERP5Type/DiffUtils.py b/product/ERP5Type/DiffUtils.py
index 11037a8cf8f95252212760faf76dc51a5ac7944b..c1d69b74da9ba9e2b9bbe9e70bb93fac3f48fd52 100644
--- a/product/ERP5Type/DiffUtils.py
+++ b/product/ERP5Type/DiffUtils.py
@@ -103,6 +103,9 @@ class DiffFile:
     # Adding header of the table
     if self.binary:
       return '<b>Folder or binary file or just no changes!</b><br/><br/><br/>'
+
+    if not len(self.children):
+      return ''
     
     html_list = []
     html_list.append('''