diff --git a/espeak-ng-data/lang/sit/cmn b/espeak-ng-data/lang/sit/cmn
index fbd74570..b17a5a36 100644
--- a/espeak-ng-data/lang/sit/cmn
+++ b/espeak-ng-data/lang/sit/cmn
@@ -1,4 +1,6 @@
 name Chinese (Mandarin)
+language cmn
+language zh-cmn
 language zh
 words 1
 pitch 80 118