diff --git a/src/Speech/Controller/VOICEPEAKEnumerator.cs b/src/Speech/Controller/VOICEPEAKEnumerator.cs
index d9bf66d..b69a496 100644
--- a/src/Speech/Controller/VOICEPEAKEnumerator.cs
+++ b/src/Speech/Controller/VOICEPEAKEnumerator.cs
@@ -32,6 +32,7 @@ private string[] ExecuteVoicepeak(string args)
             psInfo.UseShellExecute = false;
             psInfo.RedirectStandardOutput = true;
             psInfo.Arguments = args;
+            psInfo.StandardOutputEncoding = Encoding.UTF8;
 
             using (Process p = Process.Start(psInfo))
             {