diff --git a/dom/media/webspeech/recognition/models/dict/en-US.dic b/dom/media/webspeech/recognition/models/dict/en-US.dic
index 6f30f90e0cbf..57d618a2096f 100644
--- a/dom/media/webspeech/recognition/models/dict/en-US.dic
+++ b/dom/media/webspeech/recognition/models/dict/en-US.dic
@@ -132991,6 +132991,7 @@ zermeno	Z ER M EH N OW
 zern	Z IH R N
 zero	Z IH R OW
 0	Z IH R OW
+0(2)	OW
 zero's	Z IH R OW Z
 zero's(2)	Z IY R OW Z
 zero(2)	Z IY R OW