diff --git a/account_financial_report_webkit/report/webkit_parser_header_fix.py b/account_financial_report_webkit/report/webkit_parser_header_fix.py
index 2766580d..bae12189 100644
--- a/account_financial_report_webkit/report/webkit_parser_header_fix.py
+++ b/account_financial_report_webkit/report/webkit_parser_header_fix.py
@@ -208,7 +208,7 @@ class HeaderFooterTextWebKitParser(webkit_report.WebKitParser):
 
         if report_xml.report_file:
             path = get_module_resource(
-                *report_xml.report_file.split(os.path.sep))
+                *report_xml.report_file.split('/'))
             if os.path.exists(path):
                 template = file(path).read()
         if not template and report_xml.report_webkit_data: