diff --git a/src/Composer/Autoload/AutoloadGenerator.php b/src/Composer/Autoload/AutoloadGenerator.php
index 79039e4f7..c33204509 100644
--- a/src/Composer/Autoload/AutoloadGenerator.php
+++ b/src/Composer/Autoload/AutoloadGenerator.php
@@ -1106,9 +1106,9 @@ METHOD_FOOTER;
 function composerRequire$suffix(\$fileIdentifier, \$file)
 {
     if (empty(\$GLOBALS['__composer_autoload_files'][\$fileIdentifier])) {
-        require \$file;
-
         \$GLOBALS['__composer_autoload_files'][\$fileIdentifier] = true;
+
+        require \$file;
     }
 }
 
@@ -1416,8 +1416,8 @@ INITIALIZER;
 function composerRequire($fileIdentifier, $file)
 {
     if (empty($GLOBALS['__composer_autoload_files'][$fileIdentifier])) {
-        require $file;
-
         $GLOBALS['__composer_autoload_files'][$fileIdentifier] = true;
+
+        require $file;
     }
 }
diff --git a/tests/Composer/Test/Autoload/Fixtures/autoload_real_files_by_dependency.php b/tests/Composer/Test/Autoload/Fixtures/autoload_real_files_by_dependency.php
index 5f8cb74fc..83b8246e1 100644
--- a/tests/Composer/Test/Autoload/Fixtures/autoload_real_files_by_dependency.php
+++ b/tests/Composer/Test/Autoload/Fixtures/autoload_real_files_by_dependency.php
@@ -71,8 +71,8 @@ class ComposerAutoloaderInitFilesAutoloadOrder
 function composerRequireFilesAutoloadOrder($fileIdentifier, $file)
 {
     if (empty($GLOBALS['__composer_autoload_files'][$fileIdentifier])) {
-        require $file;
-
         $GLOBALS['__composer_autoload_files'][$fileIdentifier] = true;
+
+        require $file;
     }
 }
diff --git a/tests/Composer/Test/Autoload/Fixtures/autoload_real_functions.php b/tests/Composer/Test/Autoload/Fixtures/autoload_real_functions.php
index 87175ab6c..32248df65 100644
--- a/tests/Composer/Test/Autoload/Fixtures/autoload_real_functions.php
+++ b/tests/Composer/Test/Autoload/Fixtures/autoload_real_functions.php
@@ -71,8 +71,8 @@ class ComposerAutoloaderInitFilesAutoload
 function composerRequireFilesAutoload($fileIdentifier, $file)
 {
     if (empty($GLOBALS['__composer_autoload_files'][$fileIdentifier])) {
-        require $file;
-
         $GLOBALS['__composer_autoload_files'][$fileIdentifier] = true;
+
+        require $file;
     }
 }
diff --git a/tests/Composer/Test/Autoload/Fixtures/autoload_real_functions_with_include_paths.php b/tests/Composer/Test/Autoload/Fixtures/autoload_real_functions_with_include_paths.php
index 692a0d9af..e6d647004 100644
--- a/tests/Composer/Test/Autoload/Fixtures/autoload_real_functions_with_include_paths.php
+++ b/tests/Composer/Test/Autoload/Fixtures/autoload_real_functions_with_include_paths.php
@@ -75,8 +75,8 @@ class ComposerAutoloaderInitFilesAutoload
 function composerRequireFilesAutoload($fileIdentifier, $file)
 {
     if (empty($GLOBALS['__composer_autoload_files'][$fileIdentifier])) {
-        require $file;
-
         $GLOBALS['__composer_autoload_files'][$fileIdentifier] = true;
+
+        require $file;
     }
 }
diff --git a/tests/Composer/Test/Autoload/Fixtures/autoload_real_target_dir.php b/tests/Composer/Test/Autoload/Fixtures/autoload_real_target_dir.php
index 397ab52e6..c807f003a 100644
--- a/tests/Composer/Test/Autoload/Fixtures/autoload_real_target_dir.php
+++ b/tests/Composer/Test/Autoload/Fixtures/autoload_real_target_dir.php
@@ -91,8 +91,8 @@ class ComposerAutoloaderInitTargetDir
 function composerRequireTargetDir($fileIdentifier, $file)
 {
     if (empty($GLOBALS['__composer_autoload_files'][$fileIdentifier])) {
-        require $file;
-
         $GLOBALS['__composer_autoload_files'][$fileIdentifier] = true;
+
+        require $file;
     }
 }
diff --git a/tests/Composer/Test/Fixtures/functional/installed-versions2/vendor/composer/autoload_real.php b/tests/Composer/Test/Fixtures/functional/installed-versions2/vendor/composer/autoload_real.php
index 0d3d4676c..2b7e62135 100644
--- a/tests/Composer/Test/Fixtures/functional/installed-versions2/vendor/composer/autoload_real.php
+++ b/tests/Composer/Test/Fixtures/functional/installed-versions2/vendor/composer/autoload_real.php
@@ -68,8 +68,8 @@ class ComposerAutoloaderInit46489d6835a727203ffccd612295440e
 function composerRequire46489d6835a727203ffccd612295440e($fileIdentifier, $file)
 {
     if (empty($GLOBALS['__composer_autoload_files'][$fileIdentifier])) {
-        require $file;
-
         $GLOBALS['__composer_autoload_files'][$fileIdentifier] = true;
+
+        require $file;
     }
 }