diff --git a/phsource/ph_vietnam b/phsource/ph_vietnam
index b6f7cc5f..d23db54c 100644
--- a/phsource/ph_vietnam
+++ b/phsource/ph_vietnam
@@ -77,7 +77,8 @@ phoneme a:
   ELSE
   length 180 //200
   ENDIF
-    FMT(vowel/a_8)
+    // FMT(vowel/a_8)
+	FMT(vietnam/a_2)
 endphoneme
 
 
diff --git a/phsource/vietnam/a_2 b/phsource/vietnam/a_2
new file mode 100644
index 00000000..1e68a9db
Binary files /dev/null and b/phsource/vietnam/a_2 differ