diff --git a/espeak-ng-data/lang/aav/vi b/espeak-ng-data/lang/aav/vi
index a4b077eb..66988a43 100644
--- a/espeak-ng-data/lang/aav/vi
+++ b/espeak-ng-data/lang/aav/vi
@@ -3,14 +3,3 @@ language vi
 
 words 1
 pitch 90 170
-
-formant 1 87 82 76
-formant 2 94 56 42
-formant 3 93 52 130
-formant 4 110 76 65
-formant 5  102 45 20
-formant 6  40 50 50
-formant 7 60 50 60
-formant 8 100 50 40
-
-tone 900 225  1600 200 2400 150
\ No newline at end of file
diff --git a/espeak-ng-data/voices/!v/Nguyen b/espeak-ng-data/voices/!v/Nguyen
new file mode 100644
index 00000000..c0940278
--- /dev/null
+++ b/espeak-ng-data/voices/!v/Nguyen
@@ -0,0 +1,13 @@
+language variant
+name Nguyen
+
+pitch  90 170
+
+formant 1 87 82 76
+formant 2 94 56 42
+formant 3 93 52 130
+formant 6  40 50 50
+formant 7 60 50 60
+formant 8 100 50 40
+
+tone 900 225  1600 200 2400 150
\ No newline at end of file