diff --git a/reference/session/sessionhandler.xml b/reference/session/sessionhandler.xml
index 18f9472a66..655a9ace63 100644
--- a/reference/session/sessionhandler.xml
+++ b/reference/session/sessionhandler.xml
@@ -103,7 +103,7 @@ class EncryptedSessionHandler extends SessionHandler
 
     public function __construct($key)
     {
-        $this->key = $key
+        $this->key = $key;
     }
 
     public function read($id)