diff --git a/websocket-sharp/MessageEventArgs.cs b/websocket-sharp/MessageEventArgs.cs
index adf7391a..7940f98b 100644
--- a/websocket-sharp/MessageEventArgs.cs
+++ b/websocket-sharp/MessageEventArgs.cs
@@ -171,7 +171,10 @@ namespace WebSocketSharp
         return;
       }
 
-      _data = _rawData.UTF8Decode ();
+      string data;
+      if (_rawData.TryGetUTF8DecodedString (out data))
+        _data = data;
+
       _dataSet = true;
     }