diff --git a/system/Session/Session.php b/system/Session/Session.php
index d0960db613da..70b1bb3bfa54 100644
--- a/system/Session/Session.php
+++ b/system/Session/Session.php
@@ -497,7 +497,7 @@ public function set($data, $value = null)
 	 */
 	public function get(string $key = null)
 	{
-		if (! empty($key) && ! is_null($value = dot_array_search($key, $_SESSION)))
+		if (! empty($key) && ! is_null($value = dot_array_search($key, $_SESSION??[])))
 		{
 			return $value;
 		}