diff --git a/issue12338.diff b/issue12338.diff
new file mode 100644
index 0000000..8fd6115
--- /dev/null
+++ b/issue12338.diff
@@ -0,0 +1,13 @@
+diff --git a/tryton/modules/account_invoice/locale/es.po b/tryton/modules/account_invoice/locale/es.po
+index 6c82077b5b..b44cbabedc 100644
+--- a/tryton/modules/account_invoice/locale/es.po
++++ b/tryton/modules/account_invoice/locale/es.po
+@@ -950,7 +950,7 @@ msgstr ""
+
+ msgctxt "model:ir.message,text:msg_invoice_similar"
+ msgid "The invoice \"%(invoice)s\" is similar to invoice \"%(similar)s\"."
+-msgstr "La factura \"%(invoices)s\" es similar a la factura \"%(similar)s\"."
++msgstr "La factura \"%(invoice)s\" es similar a la factura \"%(similar)s\"."
+
+ msgctxt "model:ir.message,text:msg_invoice_tax_create"
+ msgid ""
diff --git a/series b/series
index d02c4c5..9af4cb7 100644
--- a/series
+++ b/series
@@ -67,3 +67,5 @@ issue12310.diff # [stock_product_location] Check product.product locations and p
 issue12235.diff # [trytond] Fallback to empty string when column path is NULL
 
 project_invoice_quantity_enforced.diff # [project_invoice] Forbid to change quantity of invoiced project
+
+issue12338.diff # [account_invoice] Show ID message "account_invoice.msg_invoice_similar" in ES language