diff --git a/preload-split-package.php b/preload-split-package.php
index f0ca37624c2..1338d6df87c 100644
--- a/preload-split-package.php
+++ b/preload-split-package.php
@@ -87,6 +87,7 @@ function isPHPStanTestPreloaded(): bool
 require_once __DIR__ . '/../../../vendor/nikic/php-parser/lib/PhpParser/Lexer/TokenEmulator/AttributeEmulator.php';
 require_once __DIR__ . '/../../../vendor/nikic/php-parser/lib/PhpParser/Lexer/TokenEmulator/EnumTokenEmulator.php';
 require_once __DIR__ . '/../../../vendor/nikic/php-parser/lib/PhpParser/Lexer/TokenEmulator/ExplicitOctalEmulator.php';
+require_once __DIR__ . '/../../../vendor/nikic/php-parser/lib/PhpParser/Lexer/TokenEmulator/FnTokenEmulator.php';
 require_once __DIR__ . '/../../../vendor/nikic/php-parser/lib/PhpParser/Lexer/TokenEmulator/MatchTokenEmulator.php';
 require_once __DIR__ . '/../../../vendor/nikic/php-parser/lib/PhpParser/Lexer/TokenEmulator/NullsafeTokenEmulator.php';
 require_once __DIR__ . '/../../../vendor/nikic/php-parser/lib/PhpParser/Lexer/TokenEmulator/PipeOperatorEmulator.php';
diff --git a/preload.php b/preload.php
index 027b441e3b9..6571d4d6d89 100644
--- a/preload.php
+++ b/preload.php
@@ -87,6 +87,7 @@ function isPHPStanTestPreloaded(): bool
 require_once __DIR__ . '/vendor/nikic/php-parser/lib/PhpParser/Lexer/TokenEmulator/AttributeEmulator.php';
 require_once __DIR__ . '/vendor/nikic/php-parser/lib/PhpParser/Lexer/TokenEmulator/EnumTokenEmulator.php';
 require_once __DIR__ . '/vendor/nikic/php-parser/lib/PhpParser/Lexer/TokenEmulator/ExplicitOctalEmulator.php';
+require_once __DIR__ . '/vendor/nikic/php-parser/lib/PhpParser/Lexer/TokenEmulator/FnTokenEmulator.php';
 require_once __DIR__ . '/vendor/nikic/php-parser/lib/PhpParser/Lexer/TokenEmulator/MatchTokenEmulator.php';
 require_once __DIR__ . '/vendor/nikic/php-parser/lib/PhpParser/Lexer/TokenEmulator/NullsafeTokenEmulator.php';
 require_once __DIR__ . '/vendor/nikic/php-parser/lib/PhpParser/Lexer/TokenEmulator/PipeOperatorEmulator.php';