diff --git a/addons/report_webkit/webkit_report.py b/addons/report_webkit/webkit_report.py
index 8bf7331af5a..56f361370f2 100644
--- a/addons/report_webkit/webkit_report.py
+++ b/addons/report_webkit/webkit_report.py
@@ -191,8 +191,13 @@ class WebKitParser(report_sxw):
     def translate_call(self, src):
         """Translate String."""
         ir_translation = self.pool.get('ir.translation')
+        name = self.tmpl and 'addons/' + self.tmpl or None
         res = ir_translation._get_source(self.parser_instance.cr, self.parser_instance.uid,
-                                         None, 'report', self.parser_instance.localcontext.get('lang', 'en_US'), src)
+                                         name, 'report', self.parser_instance.localcontext.get('lang', 'en_US'), src)
+        if res == src:
+            # no translation defined, fallback on None (backward compatibility)
+            res = ir_translation._get_source(self.parser_instance.cr, self.parser_instance.uid,
+                                             None, 'report', self.parser_instance.localcontext.get('lang', 'en_US'), src)
         if not res :
             return src
         return res