diff --git a/src/ExtEvLoop.php b/src/ExtEvLoop.php
index 74db6d02..4347263c 100644
--- a/src/ExtEvLoop.php
+++ b/src/ExtEvLoop.php
@@ -40,12 +40,12 @@ class ExtEvLoop implements LoopInterface
     /**
      * @var EvIo[]
      */
-    private $readStreams = [];
+    private $readStreams = array();
 
     /**
      * @var EvIo[]
      */
-    private $writeStreams = [];
+    private $writeStreams = array();
 
     /**
      * @var bool
@@ -60,7 +60,7 @@ class ExtEvLoop implements LoopInterface
     /**
      * @var \EvSignal[]
      */
-    private $signalEvents = [];
+    private $signalEvents = array();
 
     public function __construct()
     {