From 2f753c70e3dc5e958e9b391daf70b7ec9100db3e Mon Sep 17 00:00:00 2001
From: Tim van Dijen <tvdijen@gmail.com>
Date: Tue, 22 Oct 2019 21:39:35 +0200
Subject: [PATCH] Fix DocblockTypeContradiction

---
 src/SAML2/Compat/ContainerSingleton.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/SAML2/Compat/ContainerSingleton.php b/src/SAML2/Compat/ContainerSingleton.php
index 167fa8664..c9094aa41 100644
--- a/src/SAML2/Compat/ContainerSingleton.php
+++ b/src/SAML2/Compat/ContainerSingleton.php
@@ -19,7 +19,7 @@ class ContainerSingleton
      */
     public static function getInstance() : AbstractContainer
     {
-        if (!self::$container) {
+        if (!isset(self::$container)) {
             self::$container = self::initSspContainer();
         }
         return self::$container;