diff --git a/htdocs/langs/en_US/products.lang b/htdocs/langs/en_US/products.lang
index 527526d9268..7c6a28231dc 100644
--- a/htdocs/langs/en_US/products.lang
+++ b/htdocs/langs/en_US/products.lang
@@ -168,4 +168,5 @@ CustomerPrices=Customers prices
 SuppliersPrices=Suppliers prices
 CustomCode=Customs code
 CountryOrigin=Origin country
-HiddenIntoCombo=Hidden into select lists
\ No newline at end of file
+HiddenIntoCombo=Hidden into select lists
+Nature=Nature
\ No newline at end of file
diff --git a/htdocs/langs/fr_FR/products.lang b/htdocs/langs/fr_FR/products.lang
index 8fe35942c37..2d3dfd12b2d 100644
--- a/htdocs/langs/fr_FR/products.lang
+++ b/htdocs/langs/fr_FR/products.lang
@@ -168,4 +168,5 @@ CustomerPrices=Prix clients
 SuppliersPrices=Prix fournisseurs
 CustomCode=Code douane
 CountryOrigin=Pays d'origine
-HiddenIntoCombo=Caché dans les listes
\ No newline at end of file
+HiddenIntoCombo=Caché dans les listes
+Nature=Nature
\ No newline at end of file