diff --git a/addons/report_webkit/header_view.xml b/addons/report_webkit/header_view.xml
index baca42d663f..d3e9363acd7 100644
--- a/addons/report_webkit/header_view.xml
+++ b/addons/report_webkit/header_view.xml
@@ -49,7 +49,7 @@
form
tree,form
-
+
-
+