diff --git a/weboob/applications/boobank/boobank.py b/weboob/applications/boobank/boobank.py
index 46d2bd3f292ba683959b2d158dba94200f4ff53e..84c4f66e18e1cf7b3c51588cb9a89ac6b1c29ae3 100644
--- a/weboob/applications/boobank/boobank.py
+++ b/weboob/applications/boobank/boobank.py
@@ -90,8 +90,8 @@ def start_format(self, **kwargs):
         self.output(u'DATA:OFXSGML')
         self.output(u'VERSION:102')
         self.output(u'SECURITY:NONE')
-        self.output(u'ENCODING:USASCII')
-        self.output(u'CHARSET:1252')
+        self.output(u'ENCODING:UTF-8')
+        self.output(u'CHARSET:UTF-8')
         self.output(u'COMPRESSION:NONE')
         self.output(u'OLDFILEUID:NONE')
         self.output(u'NEWFILEUID:%s\n' % uuid.uuid1())