diff --git a/test/core/util/debugger_macros.h b/test/core/util/debugger_macros.h
index 772fb2a2907de70d4cbf9e3d87543de8d493a324..6369ca6c97de6f4c0962cddd97e1d01727f16bc6 100644
--- a/test/core/util/debugger_macros.h
+++ b/test/core/util/debugger_macros.h
@@ -31,9 +31,9 @@
  *
  */
 
-#ifndef GRPC_CORE_EXT_DEBUG_DEBUGGER_MACROS_H
-#define GRPC_CORE_EXT_DEBUG_DEBUGGER_MACROS_H
+#ifndef GRPC_TEST_CORE_UTIL_DEBUGGER_MACROS_H
+#define GRPC_TEST_CORE_UTIL_DEBUGGER_MACROS_H
 
 void grpc_summon_debugger_macros();
 
-#endif /* GRPC_CORE_EXT_DEBUG_DEBUGGER_MACROS_H */
+#endif /* GRPC_TEST_CORE_UTIL_DEBUGGER_MACROS_H */