--- a/ucs-4.0-2/management/univention-management-console/scripts/univention-management-console-module	
+++ a/ucs-4.0-2/management/univention-management-console/scripts/univention-management-console-module	
@@ -95,6 +95,7 @@ if __name__ == '__main__':
 	try:
 		locale_obj = Locale( options.language )
 		locale.setlocale( locale.LC_MESSAGES, str( locale_obj ) )
+		locale.setlocale(locale.LC_CTYPE, str(locale_obj))
 		localeok = True
 		translation = Translation('univention-management-console')
 		translation.set_language(options.language)
--- a/ucs-4.0-2/management/univention-management-console/scripts/univention-management-console-server	
+++ a/ucs-4.0-2/management/univention-management-console/scripts/univention-management-console-server	
@@ -119,6 +119,7 @@ class UMC_Daemon( DaemonRunner ):
 		# set locale
 		try:
 			locale.setlocale( locale.LC_MESSAGES, locale.normalize( self.options.language ) )
+			locale.setlocale(locale.LC_CTYPE, locale.normalize(self.options.language))
 		except:
 			CORE.process( 'Specified locale is not available (%s)' % self.options.language )