diff --git a/mpmaster/src/main/cpp/CMakeLists.txt b/mpmaster/src/main/cpp/CMakeLists.txt
index 4b8738f8..d26f9604 100644
--- a/mpmaster/src/main/cpp/CMakeLists.txt
+++ b/mpmaster/src/main/cpp/CMakeLists.txt
@@ -8,6 +8,7 @@ cmake_minimum_required(VERSION 3.18.1)
 
 # Declares and names the project.
 add_definitions(-DTERMINAL_CLIENT)
+add_definitions(-DTERMINAL_CLIENT_MNTN)
 
 project("mpmaster")