diff --git a/espeak-ng-data/voices/mb/mb-cz1 b/espeak-ng-data/voices/mb/mb-cz1
new file mode 100644
index 00000000..1d53cbaf
--- /dev/null
+++ b/espeak-ng-data/voices/mb/mb-cz1
@@ -0,0 +1,4 @@
+name czech-mbrola-1
+language cs 1
+gender female
+mbrola cz1 cs_phtrans
diff --git a/espeak-ng-data/voices/mb/mb-cz2 b/espeak-ng-data/voices/mb/mb-cz2
index dbde2123..6d5e07be 100644
--- a/espeak-ng-data/voices/mb/mb-cz2
+++ b/espeak-ng-data/voices/mb/mb-cz2
@@ -1,5 +1,5 @@
 name czech-mbrola-2
-language cs 7
+language cs 2
 gender male
 
 pitch 82 117