diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 02d46bf..21cfbf2 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -50,8 +50,6 @@ jobs:
             - name: PHPStan
               run: composer phpstan
             - name: Code Style Check
-              env:
-                  PHP_CS_FIXER_IGNORE_ENV: true
               run: composer style-check -- --format=checkstyle | cs2pr
             - name: Test
               run: composer test-with-coverage
diff --git a/src/Zend/Xml/Security.php b/src/Zend/Xml/Security.php
index d2edb57..9bb3302 100644
--- a/src/Zend/Xml/Security.php
+++ b/src/Zend/Xml/Security.php
@@ -84,7 +84,9 @@ public static function scan($xml, DOMDocument $dom = null)
         }
 
         if (!self::isPhpFpm()) {
-            $loadEntities         = libxml_disable_entity_loader(true);
+            if (version_compare(PHP_VERSION, '8.0.0', 'lt')) {
+                $loadEntities = libxml_disable_entity_loader(true);
+            }
             $useInternalXmlErrors = libxml_use_internal_errors(true);
         }
 
@@ -98,7 +100,9 @@ public static function scan($xml, DOMDocument $dom = null)
         if (!$result) {
             // Entity load to previous setting
             if (!self::isPhpFpm()) {
-                libxml_disable_entity_loader($loadEntities);
+                if (version_compare(PHP_VERSION, '8.0.0', 'lt')) {
+                    libxml_disable_entity_loader($loadEntities);
+                }
                 libxml_use_internal_errors($useInternalXmlErrors);
             }
             return false;
@@ -120,7 +124,9 @@ public static function scan($xml, DOMDocument $dom = null)
 
         // Entity load to previous setting
         if (!self::isPhpFpm()) {
-            libxml_disable_entity_loader($loadEntities);
+            if (version_compare(PHP_VERSION, '8.0.0', 'lt')) {
+                libxml_disable_entity_loader($loadEntities);
+            }
             libxml_use_internal_errors($useInternalXmlErrors);
         }