diff --git a/htdocs/langs/en_US/stocks.lang b/htdocs/langs/en_US/stocks.lang
index 17f914b7405..96e4a911d10 100644
--- a/htdocs/langs/en_US/stocks.lang
+++ b/htdocs/langs/en_US/stocks.lang
@@ -210,3 +210,4 @@ StockIncreaseAfterCorrectTransfer=Increase by correction/transfer
 StockDecreaseAfterCorrectTransfer=Decrease by correction/transfer
 StockIncrease=Stock increase
 StockDecrease=Stock decrease
+StockIsRequiredToChooseWhichLotToUse=Stock is required to choose which lot to use