diff --git a/src/Composer/Autoload/AutoloadGenerator.php b/src/Composer/Autoload/AutoloadGenerator.php
index b0fe9b232..512b25f84 100644
--- a/src/Composer/Autoload/AutoloadGenerator.php
+++ b/src/Composer/Autoload/AutoloadGenerator.php
@@ -460,9 +460,10 @@ REGISTER_AUTOLOAD;
 REGISTER_LOADER;
 
         if ($useIncludeFiles) {
-            $file .= <<<INCLUDE_FILES
-        foreach (require __DIR__ . '/autoload_files.php' as \$file) {
-            require \$file;
+            $file .= <<<'INCLUDE_FILES'
+        $includeFiles = require __DIR__ . '/autoload_files.php';
+        foreach ($includeFiles as $file) {
+            require $file;
         }
 
 
diff --git a/tests/Composer/Test/Autoload/Fixtures/autoload_real_files_by_dependency.php b/tests/Composer/Test/Autoload/Fixtures/autoload_real_files_by_dependency.php
index 376f8512c..9321b86c8 100644
--- a/tests/Composer/Test/Autoload/Fixtures/autoload_real_files_by_dependency.php
+++ b/tests/Composer/Test/Autoload/Fixtures/autoload_real_files_by_dependency.php
@@ -38,7 +38,8 @@ class ComposerAutoloaderInitFilesAutoloadOrder
 
         $loader->register(true);
 
-        foreach (require __DIR__ . '/autoload_files.php' as $file) {
+        $includeFiles = require __DIR__ . '/autoload_files.php';
+        foreach ($includeFiles as $file) {
             require $file;
         }
 
diff --git a/tests/Composer/Test/Autoload/Fixtures/autoload_real_functions.php b/tests/Composer/Test/Autoload/Fixtures/autoload_real_functions.php
index 3ddbc9ca9..6407c93b7 100644
--- a/tests/Composer/Test/Autoload/Fixtures/autoload_real_functions.php
+++ b/tests/Composer/Test/Autoload/Fixtures/autoload_real_functions.php
@@ -38,7 +38,8 @@ class ComposerAutoloaderInitFilesAutoload
 
         $loader->register(true);
 
-        foreach (require __DIR__ . '/autoload_files.php' as $file) {
+        $includeFiles = require __DIR__ . '/autoload_files.php';
+        foreach ($includeFiles as $file) {
             require $file;
         }
 
diff --git a/tests/Composer/Test/Autoload/Fixtures/autoload_real_target_dir.php b/tests/Composer/Test/Autoload/Fixtures/autoload_real_target_dir.php
index 347454fc5..32e155422 100644
--- a/tests/Composer/Test/Autoload/Fixtures/autoload_real_target_dir.php
+++ b/tests/Composer/Test/Autoload/Fixtures/autoload_real_target_dir.php
@@ -40,7 +40,8 @@ class ComposerAutoloaderInitTargetDir
 
         $loader->register(true);
 
-        foreach (require __DIR__ . '/autoload_files.php' as $file) {
+        $includeFiles = require __DIR__ . '/autoload_files.php';
+        foreach ($includeFiles as $file) {
             require $file;
         }