diff --git a/src/Network/Session.php b/src/Network/Session.php
index cfaf3d1d391..5a42e359956 100644
--- a/src/Network/Session.php
+++ b/src/Network/Session.php
@@ -349,6 +349,10 @@ public function check($name = null) {
 		if ($this->_hasSession() && !$this->started()) {
 			$this->start();
 		}
+		
+		if (!isset($_SESSION)) {
+			return null;
+		}		
 
 		return Hash::get($_SESSION, $name) !== null;
 	}