diff --git a/addons/hr_holidays/report/holidays_summary_report.py b/addons/hr_holidays/report/holidays_summary_report.py
index f174de046aa..b839b06b2ef 100644
--- a/addons/hr_holidays/report/holidays_summary_report.py
+++ b/addons/hr_holidays/report/holidays_summary_report.py
@@ -203,6 +203,8 @@ class report_custom(report_rml):
         months_xml =['<months  number="%d" name="%s"/>' % (x, _(month_dict[x])) for x in range(1,len(month_dict)+1) ]
         months_xml.append(st)
         
+        months_xml = ustr(''.join(months_xml))
+        
         emp_xml=''
         row_id=1