diff --git a/bt5/erp5_accounting/SkinTemplateItem/portal_skins/erp5_accounting/Account_getFormattedTitle.xml b/bt5/erp5_accounting/SkinTemplateItem/portal_skins/erp5_accounting/Account_getFormattedTitle.xml
index be35f57c1dc1bd8eaa67583c0452f66a63fa64ec..8a4f3faf0db31f08d901864b9ed67011389739c0 100644
--- a/bt5/erp5_accounting/SkinTemplateItem/portal_skins/erp5_accounting/Account_getFormattedTitle.xml
+++ b/bt5/erp5_accounting/SkinTemplateItem/portal_skins/erp5_accounting/Account_getFormattedTitle.xml
@@ -59,8 +59,8 @@
 gap_id = account.Account_getGapId()\n
 title  = account.getTitle()\n
 \n
-if gap_id.isdigit():\n
-  title = "%s - %s"%(gap_id, title)\n
+if gap_id:\n
+  title = "%s - %s" % (gap_id, title)\n
 \n
 return title\n
 </string> </value>
diff --git a/bt5/erp5_accounting/bt/revision b/bt5/erp5_accounting/bt/revision
index f08bce7b1cdfccb3c6535b9136460570f5632578..3f986b9191e0e52d248f98dfac53523d66f88067 100644
--- a/bt5/erp5_accounting/bt/revision
+++ b/bt5/erp5_accounting/bt/revision
@@ -1 +1 @@
-841
\ No newline at end of file
+842
\ No newline at end of file