diff --git a/src/Fetch/Message.php b/src/Fetch/Message.php
index 4afb07a..87354bd 100644
--- a/src/Fetch/Message.php
+++ b/src/Fetch/Message.php
@@ -599,11 +599,18 @@ class Message
         }
 
         $converted = null;
-        if (!$converted && function_exists('mb_convert_encoding') && @mb_check_encoding($text, $from)) {
-            $converted = @mb_convert_encoding($text, $to, $from);
+        if (!$converted && function_exists('mb_convert_encoding')) {
+            try {
+                if (mb_check_encoding($text, $from)) {
+                    $converted = mb_convert_encoding($text, $to, $from);
+                }
+            } catch (\ValueError $e) {
+                // noop
+            }
         }
 
         if (!$converted && function_exists('iconv')) {
+            // Для `iconv` @ пока работает
             $converted = @iconv($from, $to . self::$charsetFlag, $text);
         }