diff --git a/emencia/django/newsletter/utils/excel.py b/emencia/django/newsletter/utils/excel.py
index bd54b6d6..be226f00 100644
--- a/emencia/django/newsletter/utils/excel.py
+++ b/emencia/django/newsletter/utils/excel.py
@@ -100,4 +100,4 @@ class ExcelResponse(HttpResponse):
         super(ExcelResponse, self).__init__(content=output.getvalue(),
                                             mimetype=mimetype)
         self['Content-Disposition'] = 'attachment;filename="%s.%s"' % \
-            (output_name.replace('"', '\"'), file_ext)
+            (output_name.replace('"', '\"')[:27], file_ext)