diff --git a/htdocs/langs/en_US/receiptprinter.lang b/htdocs/langs/en_US/receiptprinter.lang
index f79974558d6..9a3b28fa399 100644
--- a/htdocs/langs/en_US/receiptprinter.lang
+++ b/htdocs/langs/en_US/receiptprinter.lang
@@ -47,3 +47,10 @@ DOL_PRINT_LOGO=Print logo of my company
 DOL_PRINT_LOGO_OLD=Print logo of my company (old printers)
 DOL_BOLD=Bold
 DOL_BOLD_DISABLED=Disable bold
+DOL_DOUBLE_HEIGHT=Double height size
+DOL_DOUBLE_WIDTH=Double width size
+DOL_DEFAULT_HEIGHT_WIDTH=Default height and width size
+DOL_UNDERLINE=Enable underline
+DOL_UNDERLINE_DISABLED=Disable underline
+DOL_BEEP=Beed sound
+DOL_PRINT_TEXT=Print text