diff --git a/trytond/ir/lang.xml b/trytond/ir/lang.xml
index 20e3e20a13..13521f95b8 100644
--- a/trytond/ir/lang.xml
+++ b/trytond/ir/lang.xml
@@ -134,6 +134,25 @@ this repository contains the full copyright notices and license terms. -->
             <field name="p_sep_by_space" eval="True"/>
             <field name="n_sep_by_space" eval="True"/>
         </record>
+        <record model="ir.lang" id="lang_et">
+            <field name="code">et</field>
+            <field name="name">Estonian</field>
+            <field name="date">%d.%m.%Y</field>
+            <field name="grouping">[3, 3]</field>
+            <field name="decimal_point">,</field>
+            <field name="thousands_sep"> </field>
+            <field name="mon_grouping">[3, 3]</field>
+            <field name="mon_decimal_point">,</field>
+            <field name="mon_thousands_sep"> </field>
+            <field name="p_sign_posn">1</field>
+            <field name="n_sign_posn">1</field>
+            <field name="positive_sign"></field>
+            <field name="negative_sign">-</field>
+            <field name="p_cs_precedes" eval="False"/>
+            <field name="n_cs_precedes" eval="False"/>
+            <field name="p_sep_by_space" eval="True"/>
+            <field name="n_sep_by_space" eval="True"/>
+        </record>
         <record model="ir.lang" id="lang_fa">
             <field name="code">fa</field>
             <field name="name">Persian</field>