diff --git a/htdocs/langs/en_US/other.lang b/htdocs/langs/en_US/other.lang
index a14bfffffb6..120b1dcd790 100644
--- a/htdocs/langs/en_US/other.lang
+++ b/htdocs/langs/en_US/other.lang
@@ -123,6 +123,7 @@ WeightUnitkg=kg
 WeightUnitg=g
 WeightUnitmg=mg
 WeightUnitpound=pound
+WeightUnitonce=once
 Length=Length
 LengthUnitm=m
 LengthUnitdm=dm