diff --git a/res/php/alias-loader-include.tmpl.php b/res/php/alias-loader-include.tmpl.php
index e58ec71..fdd980f 100644
--- a/res/php/alias-loader-include.tmpl.php
+++ b/res/php/alias-loader-include.tmpl.php
@@ -3,8 +3,8 @@
 declare(strict_types=1);
 
 $composerAutoLoader = require dirname(__DIR__) . '/autoload.php';
-$classAliasMap = require dirname(__DIR__) . '/composer/autoload_classaliasmap.php';
 $classAliasLoader = new TYPO3\ClassAliasLoader\ClassAliasLoader($composerAutoLoader);
-$classAliasLoader->setAliasMap($classAliasMap);
-$classAliasLoader->register('{$prepend}');
+require_once __DIR__ . '/autoload_classaliasmap_static.php';
+$classAliasLoader->setAliasMap(TYPO3\ClassAliasLoader\ClassAliasLoaderStaticInit{$suffix}::$aliasMap);
+$classAliasLoader->register({$prepend});
 TYPO3\ClassAliasLoader\ClassAliasMap::setClassAliasLoader($classAliasLoader);
diff --git a/src/ClassAliasMapGenerator.php b/src/ClassAliasMapGenerator.php
index 83fc00d..16e894b 100644
--- a/src/ClassAliasMapGenerator.php
+++ b/src/ClassAliasMapGenerator.php
@@ -18,6 +18,7 @@
 use Composer\Package\PackageInterface;
 use Composer\Util\Filesystem;
 use TYPO3\ClassAliasLoader\IncludeFile\PrependToken;
+use TYPO3\ClassAliasLoader\IncludeFile\SuffixToken;
 
 /**
  * This class loops over all packages that are installed by composer and
@@ -94,10 +95,24 @@ public function generateAliasMapFiles(): bool
             return false;
         }
 
+        $suffix = null;
+        if (!$config->get('autoloader-suffix') && is_readable($vendorPath . '/autoload.php')) {
+            $content = file_get_contents($vendorPath . '/autoload.php');
+            if (preg_match('{ComposerAutoloaderInit([^:\s]+)::}', $content, $match)) {
+                $suffix = $match[1];
+            }
+        }
+        if (!$suffix) {
+            $suffix = $config->get('autoloader-suffix') ?: md5(uniqid('', true));
+        }
+
         $includeFile = new IncludeFile(
             $this->io,
             $this->composer,
             [
+                new SuffixToken(
+                    $suffix
+                ),
                 new PrependToken(
                     $this->composer->getConfig()
                 ),
@@ -106,23 +121,34 @@ public function generateAliasMapFiles(): bool
         $includeFile->register();
 
         $this->io->write('<info>Generating ' . ($classAliasMappingFound ? '' : 'empty ') . 'class alias map file</info>');
-        $this->generateAliasMapFile($aliasToClassNameMapping, $classNameToAliasMapping, $targetDir);
+        $this->generateAliasMapFile($aliasToClassNameMapping, $classNameToAliasMapping, $targetDir, $suffix);
 
         return true;
     }
 
-    private function generateAliasMapFile(array $aliasToClassNameMapping, array $classNameToAliasMapping, string $targetDir): void
+    private function generateAliasMapFile(array $aliasToClassNameMapping, array $classNameToAliasMapping, string $targetDir, string $suffix): void
     {
         $exportArray = [
             'aliasToClassNameMapping' => $aliasToClassNameMapping,
             'classNameToAliasMapping' => $classNameToAliasMapping,
         ];
 
-        $fileContent = '<?php' . chr(10) . 'return ';
-        $fileContent .= var_export($exportArray, true);
-        $fileContent .= ';';
+        $fileContent = <<<EOF
+<?php
 
-        file_put_contents($targetDir . '/autoload_classaliasmap.php', $fileContent);
+// autoload_classaliasmap_static.php @generated by ClassAliasLoader
+
+namespace TYPO3\ClassAliasLoader;
+
+class ClassAliasLoaderStaticInit$suffix
+{
+    public static \$aliasMap=
+EOF;
+        $fileContent .= var_export($exportArray, true);
+        $fileContent .= ';
+}
+';
+        file_put_contents($targetDir . '/autoload_classaliasmap_static.php', $fileContent);
     }
 
     /**
diff --git a/src/IncludeFile.php b/src/IncludeFile.php
index 189e4d2..2efb92c 100644
--- a/src/IncludeFile.php
+++ b/src/IncludeFile.php
@@ -106,6 +106,6 @@ protected function getIncludeFileContent($includeFilePath)
      */
     private static function replaceToken($name, $content, $subject)
     {
-        return str_replace('\'{$' . $name . '}\'', $content, $subject);
+        return str_replace('{$' . $name . '}', $content, $subject);
     }
 }
diff --git a/src/IncludeFile/SuffixToken.php b/src/IncludeFile/SuffixToken.php
new file mode 100644
index 0000000..23608b5
--- /dev/null
+++ b/src/IncludeFile/SuffixToken.php
@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+namespace TYPO3\ClassAliasLoader\IncludeFile;
+
+/*
+ * This file is part of the class alias loader package.
+ *
+ * (c) Helmut Hummel <info@helhum.io>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+class SuffixToken implements TokenInterface
+{
+    /**
+     * @var string
+     */
+    private $name = 'suffix';
+
+    public function __construct(public readonly string $suffix) {}
+
+    public function getName(): string
+    {
+        return $this->name;
+    }
+
+    public function getContent(string $includeFilePath): string
+    {
+        return $this->suffix;
+    }
+}
diff --git a/tests/Unit/IncludeFileTest.php b/tests/Unit/IncludeFileTest.php
index de459ee..d3042b6 100644
--- a/tests/Unit/IncludeFileTest.php
+++ b/tests/Unit/IncludeFileTest.php
@@ -78,6 +78,7 @@ public function setUp(): void
             $this->ioMock,
             $this->composerMock,
             [
+                new IncludeFile\SuffixToken('asdf'),
                 new IncludeFile\PrependToken($configMock),
             ]
         );
@@ -93,6 +94,9 @@ public function tearDown(): void
     public function includeFileCanBeWritten(): void
     {
         $this->subject->register();
-        self::assertTrue(file_exists($this->testDir . IncludeFile::INCLUDE_FILE));
+        self::assertFileExists($this->testDir . IncludeFile::INCLUDE_FILE);
+        $contents = file_get_contents($this->testDir . IncludeFile::INCLUDE_FILE);
+        self::assertIsString($contents);
+        self::assertStringContainsString('ClassAliasLoaderStaticInitasdf', $contents);
     }
 }