diff --git a/tests/ReflectionClosure6Test.php b/tests/ReflectionClosure6Test.php
new file mode 100644
index 00000000..d13a5e6f
--- /dev/null
+++ b/tests/ReflectionClosure6Test.php
@@ -0,0 +1,19 @@
+<?php
+
+use Foo\Bar as Baz;
+use Foo\Baz\Qux;
+use Foo\Baz\Qux\Forest;
+use Laravel\SerializableClosure\Support\ReflectionClosure;
+use Tests\Fixtures\Model;
+use Tests\Fixtures\RegularClass;
+
+test('resolve instanceof with expression', function () {
+	$f1 = fn (Baz $a) => $this instanceof (Forest::class); // Turning `instanceof` into an expression results into this incorrect compilation
+	$e1 = 'fn (\Foo\Bar $a) => $this instanceof (\Foo\Baz\Qux\Forest::class)';
+	
+	$f2 = fn (Baz $a) => $this instanceof (class_exists(Foo::class) ? Foo::class : Forest::class);
+	$e2 = 'fn (\Foo\Bar $a) => $this instanceof (class_exists(\Foo:class) ? \Foo::class : \Foo\Baz\Qux\Forest::class)';
+	
+    expect($f1)->toBeCode($e1);
+    expect($f2)->toBeCode($e2);
+});
\ No newline at end of file