diff --git a/.php-cs-fixer.php b/.php-cs-fixer.php
index 47d17866..55fca81a 100644
--- a/.php-cs-fixer.php
+++ b/.php-cs-fixer.php
@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 return (new PhpCsFixer\Config())
     ->setRiskyAllowed(true)
+    ->setUnsupportedPhpVersionAllowed(true)
     ->setRules([
         '@PSR12' => true,
         '@Symfony' => true,
diff --git a/src/SPC/builder/unix/library/grpc.php b/src/SPC/builder/unix/library/grpc.php
index 38ff99bb..954f997d 100644
--- a/src/SPC/builder/unix/library/grpc.php
+++ b/src/SPC/builder/unix/library/grpc.php
@@ -13,8 +13,8 @@ trait grpc
     {
         FileSystem::replaceFileStr(
             $this->source_dir . '/third_party/re2/util/pcre.h',
-            ["#define UTIL_PCRE_H_\n#include <stdint.h>", "#define UTIL_PCRE_H_"],
-            ["#define UTIL_PCRE_H_", "#define UTIL_PCRE_H_\n#include <stdint.h>"],
+            ["#define UTIL_PCRE_H_\n#include <stdint.h>", '#define UTIL_PCRE_H_'],
+            ['#define UTIL_PCRE_H_', "#define UTIL_PCRE_H_\n#include <stdint.h>"],
         );
         return true;
     }