diff --git a/addons/report_webkit/webkit_report.py b/addons/report_webkit/webkit_report.py
index 406013cef12..15e564d8df7 100644
--- a/addons/report_webkit/webkit_report.py
+++ b/addons/report_webkit/webkit_report.py
@@ -247,7 +247,7 @@ class WebKitParser(report_sxw):
 
         if report_xml.report_file :
             path = addons.get_module_resource(report_xml.report_file)
-            if os.path.exists(path) :
+            if path and os.path.exists(path) :
                 template = file(path).read()
         if not template and report_xml.report_webkit_data :
             template =  report_xml.report_webkit_data