diff --git a/addons/account/report/overdue.rml b/addons/account/report/overdue.rml
index 745924f56de83e6992789d0eee36ad3099d2652f..f216136627c4730bea7390946718058a83d168d9 100644
--- a/addons/account/report/overdue.rml
+++ b/addons/account/report/overdue.rml
@@ -114,7 +114,7 @@
       <font color="white"> </font>
     </para>
     <para style="terp_default_9">Document: Customer account statement</para>
-    <para style="terp_default_9">Date: [[ formatLang(time.strftime('%Y/%m/%d'),date=True) ]]</para>
+    <para style="terp_default_9">Date: [[ formatLang(time.strftime('%Y-%m-%d'),date=True) ]]</para>
     <para style="terp_default_9">Customer Ref: [[ o.ref ]]</para>
     <para style="terp_default_9">
       <font color="white"> </font>