diff --git a/test/hotspot/gtest/runtime/test_cgroupSubsystem_linux.cpp b/test/hotspot/gtest/runtime/test_cgroupSubsystem_linux.cpp
index 57b8c86ed2225..f2af6372aa49e 100644
--- a/test/hotspot/gtest/runtime/test_cgroupSubsystem_linux.cpp
+++ b/test/hotspot/gtest/runtime/test_cgroupSubsystem_linux.cpp
@@ -75,7 +75,7 @@ class TestController : public CgroupController {
   char* _path;
 public:
   TestController(char* p): _path(p) {}
-  char* subsystem_path() override {
+  const char* subsystem_path() override {
     return _path;
   };
   bool is_read_only() override {