diff --git a/CHANGELOG.md b/CHANGELOG.md
index ef6797a1..6798f765 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,13 +3,19 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-## [1.1.1.0][1.1.1.0]
+## [1.1.1.1]
+
+### Fix
+* Change debug logging of failed tests that depend on another one to work as expected.
+* Several minor changes.
+
+## [1.1.1.0]
 
 ### Changed
 * Add email property to payment type `card` to meet 3Ds2.x regulations.
 * Several minor changes.
 
-## [1.1.0.0][1.1.0.0]
+## [1.1.0.0]
 
 ### Changed
 * Rebranding of the SDK.
@@ -43,3 +49,4 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) a
 
 [1.1.0.0]: https://github.com/unzerdev/php-sdk/compare/1260b8314af1ac461e33f0cfb382ffcd0e87c105..1.1.0.0
 [1.1.1.0]: https://github.com/unzerdev/php-sdk/compare/1.1.0.0..1.1.1.0
+[1.1.1.1]: https://github.com/unzerdev/php-sdk/compare/1.1.1.0..1.1.1.1
diff --git a/examples/InstallmentSecured/PlaceOrderController.php b/examples/InstallmentSecured/PlaceOrderController.php
index 615f7a23..998f359a 100644
--- a/examples/InstallmentSecured/PlaceOrderController.php
+++ b/examples/InstallmentSecured/PlaceOrderController.php
@@ -72,7 +72,7 @@ function redirect($url, $merchantMessage = '', $clientMessage = '')
     }
 
     // Check the result message of the transaction to find out what went wrong.
-    $merchantMessage = $authorize->getMessage()->getCustomer();
+    $merchantMessage = $charge->getMessage()->getCustomer();
 } catch (UnzerApiException $e) {
     $merchantMessage = $e->getMerchantMessage();
     $clientMessage = $e->getClientMessage();
diff --git a/phpunit.xml b/phpunit.xml
index d0d58a86..58ad4061 100755
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0"?>
 <phpunit backupGlobals="false"
-         backupStaticAttributes="true"
+         backupStaticAttributes="false"
          bootstrap="test/bootstrap.php"
          colors="false"
          convertErrorsToExceptions="true"
diff --git a/test/BaseIntegrationTest.php b/test/BaseIntegrationTest.php
index d0bea530..aa16f4c7 100644
--- a/test/BaseIntegrationTest.php
+++ b/test/BaseIntegrationTest.php
@@ -46,8 +46,7 @@ protected function setUp(): void
      */
     protected function tearDown(): void
     {
-        /** @var TestDebugHandler $debugHandler */
-        $debugHandler = $this->unzer->getDebugHandler();
+        $debugHandler = self::getDebugHandler();
 
         if ($this->getStatus() === BaseTestRunner::STATUS_PASSED) {
             $debugHandler->clearTempLog();
diff --git a/test/BasePaymentTest.php b/test/BasePaymentTest.php
index 91a28b90..69407b6a 100755
--- a/test/BasePaymentTest.php
+++ b/test/BasePaymentTest.php
@@ -52,6 +52,19 @@ class BasePaymentTest extends TestCase
     /** @var Unzer $unzer */
     protected $unzer;
 
+    protected static $debughandler;
+
+    /**
+     * @return TestDebugHandler
+     */
+    public static function getDebugHandler(): TestDebugHandler
+    {
+        if (!self::$debughandler instanceof TestDebugHandler) {
+            self::$debughandler = new TestDebugHandler();
+        }
+        return self::$debughandler;
+    }
+
     /**
      * Creates and returns an Unzer object if it does not exist yet.
      * Uses an invalid but well formed default key if no key is given.
@@ -66,7 +79,7 @@ protected function getUnzerObject($privateKey = 's-priv-1234'): Unzer
     {
         if (!$this->unzer instanceof Unzer) {
             $this->unzer = (new Unzer($privateKey))
-                ->setDebugHandler(new TestDebugHandler())
+                ->setDebugHandler(self::getDebugHandler())
                 ->setDebugMode(true);
         }
         return $this->unzer;