diff --git a/addons/l10n_ch/dta/dta_wizard.py b/addons/l10n_ch/dta/dta_wizard.py
index 497ee1ba7f0..d1cc0c2d290 100644
--- a/addons/l10n_ch/dta/dta_wizard.py
+++ b/addons/l10n_ch/dta/dta_wizard.py
@@ -450,7 +450,7 @@ def _create_dta(self,cr,uid,data,context):
 		v['invoice_number'] = invoice_number or ''
 		v['invoice_currency'] = i.currency_id.code or ''
 		if not v['invoice_currency'] :
-			log= log +'\nPartner bank account not well defined. (invoice '+ invoice_number +')' 
+			log= log +'\nInvoice currency code undefined. (invoice '+ invoice_number +')' 
 			continue