diff --git a/Classes/Middleware/AbstractMiddleware.php b/Classes/Middleware/AbstractMiddleware.php
index 0f6bbff..158afd7 100644
--- a/Classes/Middleware/AbstractMiddleware.php
+++ b/Classes/Middleware/AbstractMiddleware.php
@@ -19,7 +19,7 @@ protected function responseIsAlterable(ResponseInterface $response): bool
             return false;
         }
 
-        if (!$GLOBALS['TSFE'] instanceof TypoScriptFrontendController) {  // need for configuration
+        if (!$GLOBALS['TSFE'] instanceof TypoScriptFrontendController) { // need for configuration
             return false;
         }
 
diff --git a/Classes/Resource/SvgFileRepository.php b/Classes/Resource/SvgFileRepository.php
index fbeeb4b..0b06144 100644
--- a/Classes/Resource/SvgFileRepository.php
+++ b/Classes/Resource/SvgFileRepository.php
@@ -40,7 +40,7 @@ public function findAllByStorageUids(array $storageUids): \Traversable
                 ),
                 $queryBuilder->expr()->lt(
                     'sys_file.size',
-                    $queryBuilder->createNamedParameter((int) $GLOBALS['TSFE']->config['config']['svgstore.']['fileSize'] ?? null, \TYPO3\CMS\Core\Database\Connection::PARAM_INT)
+                    $queryBuilder->createNamedParameter((int) ($GLOBALS['TSFE']->config['config']['svgstore.']['fileSize'] ?? null), \TYPO3\CMS\Core\Database\Connection::PARAM_INT)
                 ),
                 $queryBuilder->expr()->eq(
                     'sys_file.mime_type',
diff --git a/Classes/Service/RegExRepService.php b/Classes/Service/RegExRepService.php
index 9311104..9cd35af 100644
--- a/Classes/Service/RegExRepService.php
+++ b/Classes/Service/RegExRepService.php
@@ -26,7 +26,7 @@ public function process(string $html): string
             }
 
             if (preg_match_all('/"([\w\-]+)\.";/', serialize(array_keys($config[$section])), $matches)) {
-                $cObj ??= $GLOBALS['TSFE']->cObj ?? GeneralUtility::makeInstance(ContentObjectRenderer::class);
+                $cObj ??= ($GLOBALS['TSFE']->cObj ?? GeneralUtility::makeInstance(ContentObjectRenderer::class));
 
                 foreach ($matches[1] as $key) {
                     $config[$section][$key] = $cObj
diff --git a/README.md b/README.md
index 6296cd3..48b9bd8 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@
 
 ## Version
 
-#### >= 5.2.2
+#### >= 5.2.5
 https://github.com/lochmueller/sourceopt/blob/173f7bd2a44b546844961ced1f0831371badd620/composer.json#L8-L9
 
 #### <= 5.2.0 (legacy)