diff --git a/src/Parser/Polling/Decoder.php b/src/Parser/Polling/Decoder.php
index 8251db9..4e390ff 100644
--- a/src/Parser/Polling/Decoder.php
+++ b/src/Parser/Polling/Decoder.php
@@ -65,7 +65,7 @@ public function __construct($data, $eio, $binary = null)
                             throw new RuntimeException('Unsupported encoding detected!');
                         }
                     } else {
-                        $len = (int) $seq->readUntil(':');
+                        $len = $seq->readUntil(':');
                     }
                     break;
                 case SocketIO::EIO_V1: