diff --git a/runtime/class_linker_test.cc b/runtime/class_linker_test.cc
index 6299e3f..0969b1c 100644
--- a/runtime/class_linker_test.cc
+++ b/runtime/class_linker_test.cc
@@ -479,6 +479,7 @@
     ObjPtr<mirror::Class> klass =
         Runtime::Current()->GetClassLinker()->FindSystemClass(self, class_descriptor.c_str());
     CHECK(klass != nullptr) << class_descriptor;
+    CHECK(klass->IsMirrored()) << class_descriptor;
 
     bool error = false;