diff --git a/espeak-ng-data/voices/mb/mb-en1 b/espeak-ng-data/voices/mb/mb-en1
index 996df1b1..589231d8 100644
--- a/espeak-ng-data/voices/mb/mb-en1
+++ b/espeak-ng-data/voices/mb/mb-en1
@@ -1,4 +1,5 @@
 name english-mb-en1
+language en-uk  3
 language en-gb  3
 language en 2
 gender male