diff --git a/espeak-ng-data/voices/mb/mb-ee1 b/espeak-ng-data/voices/mb/mb-ee1
index 4d62a5b1..2c500b22 100644
--- a/espeak-ng-data/voices/mb/mb-ee1
+++ b/espeak-ng-data/voices/mb/mb-ee1
@@ -1,4 +1,4 @@
-name estonian-mbrola
+name estonian-mbrola-1
 language et
 gender male
 
diff --git a/espeak-ng-data/voices/mb/mb-ic1 b/espeak-ng-data/voices/mb/mb-ic1
index b08b53a2..8b784f99 100644
--- a/espeak-ng-data/voices/mb/mb-ic1
+++ b/espeak-ng-data/voices/mb/mb-ic1
@@ -1,4 +1,4 @@
-name mbrola-icelandic
+name icelandic-mbrola-1
 language is 6
 gender male