diff --git a/OpenUtau.Plugin.Builtin/EnglishVCCVPhonemizer.cs b/OpenUtau.Plugin.Builtin/EnglishVCCVPhonemizer.cs
index cc009ff55..3ad330f0d 100644
--- a/OpenUtau.Plugin.Builtin/EnglishVCCVPhonemizer.cs
+++ b/OpenUtau.Plugin.Builtin/EnglishVCCVPhonemizer.cs
@@ -96,7 +96,7 @@ public class EnglishVCCVPhonemizer : SyllableBasedPhonemizer {
         //spl, shr, skr, spr, str, thr, skw, thw, sky, spy
         private readonly string[] ccNoParsing = { "sk", "sm", "sn", "sp", "st", "hhy" };
         private readonly string[] stopCs = { "b", "d", "g", "k", "p", "t" };
-        private readonly string[] _cvCs = { "r", "l", "w", "y" };
+        private readonly string[] ucvCs = { "r", "l", "w", "y" };
 
 
 
@@ -319,7 +319,7 @@ protected override List<string> ProcessSyllable(Syllable syllable) {
                         if (phonemes.Count == 0) {
                             // opera [9 p] + [pr] + [_ru]
                                 parsingCC = $"{cc[0]}{cc[1]}";
-                                if (HasOto(parsingCC, syllable.vowelTone) && lastCPrevWord != 1 && ($"{cc[1]}" == $"_cvCs")) {
+                                if (HasOto(parsingCC, syllable.vowelTone) && lastCPrevWord != 1 && ucvCs.Contains($"{cc[1]}")) {
                                     parsingVCC = $"{prevV} {cc[0]}";
 
                                     basePhoneme = $"_{cc.Last()}{v}";