diff --git a/Classes/Twig/Extension/LinkExtension.php b/Classes/Twig/Extension/LinkExtension.php
index 731976a..44dfeb7 100644
--- a/Classes/Twig/Extension/LinkExtension.php
+++ b/Classes/Twig/Extension/LinkExtension.php
@@ -176,7 +176,7 @@ private function makeRnbaseLink(
             $rnBaseLink->destination($arguments->getDestination());
         }
 
-        if (($extTarget = $configurations->get($confId.$tsPath.'extTarget'))) {
+        if ($extTarget = $configurations->get($confId.$tsPath.'extTarget')) {
             $rnBaseLink->externalTargetAttribute($extTarget);
         }
 
diff --git a/Classes/Twig/Extension/TSParserExtension.php b/Classes/Twig/Extension/TSParserExtension.php
index adc82cf..add7644 100644
--- a/Classes/Twig/Extension/TSParserExtension.php
+++ b/Classes/Twig/Extension/TSParserExtension.php
@@ -309,7 +309,7 @@ protected function findSetup(
 
         // check the ts path and find the setup config
         foreach ($pathSegments as $segment) {
-            if (!array_key_exists(($segment.'.'), $setup)) {
+            if (!array_key_exists($segment.'.', $setup)) {
                 $setup = false;
                 break;
             }
diff --git a/composer.json b/composer.json
index b094b55..bfdee47 100644
--- a/composer.json
+++ b/composer.json
@@ -65,7 +65,13 @@
         "vendor-dir": ".Build/vendor",
         "bin-dir": ".Build/bin",
         "preferred-install": {
-            "typo3/cms": "source"
+            "*": "dist"
+        },
+	"allow-plugins": {
+            "typo3/cms-composer-installers": true,
+            "typo3/class-alias-loader": true,
+            "phpstan/extension-installer": true,
+            "cweagans/composer-patches": true
         }
     },
     "scripts": {