diff --git a/runtime/common_runtime_test.h b/runtime/common_runtime_test.h
index 34fdd8d..23926fd 100644
--- a/runtime/common_runtime_test.h
+++ b/runtime/common_runtime_test.h
@@ -77,8 +77,8 @@
   CommonRuntimeTest();
   ~CommonRuntimeTest();
 
-  // Gets the path of the libcore dex file.
-  static std::string GetLibCoreDexFileName();
+  // Gets the paths of the libcore dex files.
+  static std::vector<std::string> GetLibCoreDexFileNames();
 
   // Returns bin directory which contains host's prebuild tools.
   static std::string GetAndroidHostToolsDir();