diff --git a/addons/l10n_ch/data/l10n_ch_chart_data.xml b/addons/l10n_ch/data/l10n_ch_chart_data.xml
index 4a34a581a9f..60b391a71f9 100644
--- a/addons/l10n_ch/data/l10n_ch_chart_data.xml
+++ b/addons/l10n_ch/data/l10n_ch_chart_data.xml
@@ -18,7 +18,7 @@
             <field name="cash_account_code_prefix">100</field>
             <field name="currency_id" ref="base.CHF"/>
             <field name="transfer_account_id" ref="transfer_account_id"/>
-            <field name="spoken_languages" eval="'it_IT;de_DE'"/>
+            <field name="spoken_languages" eval="'it_IT;de_CH'"/>
         </record>
         <record id="transfer_account_id" model="account.account.template">
             <field name="chart_template_id" ref="l10nch_chart_template"/>
diff --git a/addons/l10n_ch/i18n_extra/de.po b/addons/l10n_ch/i18n_extra/de_CH.po
similarity index 100%
rename from addons/l10n_ch/i18n_extra/de.po
rename to addons/l10n_ch/i18n_extra/de_CH.po