diff --git a/phsource/ph_vietnam b/phsource/ph_vietnam
index 287095ae..a52034e5 100644
--- a/phsource/ph_vietnam
+++ b/phsource/ph_vietnam
@@ -165,7 +165,7 @@ phoneme e
   IF nextPh(n^) THEN
 	FMT(vowel/e)
   ELSE
-	FMT(vietnam/e_2)
+	FMT(vietnam/e, 150)
   ENDIF	
 endphoneme
 
@@ -173,8 +173,8 @@ endphoneme
 phoneme e-
    vwl starttype #e endtype #a
    length 140
-   //FMT(vietnam/e_short_2)
-   FMT(vdiph/aai_3)
+   FMT(vietnam/e_short_1)
+   //FMT(vdiph/aai_3)
 endphoneme
 
 phoneme i
@@ -333,7 +333,7 @@ phoneme y
 	length 180
   ENDIF
   //FMT(vowel/u#_5)
-  FMT(vietnam/y)
+  FMT(vietnam/y, 80)
 endphoneme
 
 
diff --git a/phsource/vietnam/e b/phsource/vietnam/e
index 585266a7..82c28e69 100644
Binary files a/phsource/vietnam/e and b/phsource/vietnam/e differ
diff --git a/phsource/vietnam/e_short_1 b/phsource/vietnam/e_short_1
index 7eb59be3..e7115445 100644
Binary files a/phsource/vietnam/e_short_1 and b/phsource/vietnam/e_short_1 differ