diff --git a/u01/CMakeLists.txt b/u01/CMakeLists.txt
index 4c7844b..8851be7 100644
--- a/u01/CMakeLists.txt
+++ b/u01/CMakeLists.txt
@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.20)
-project(ecg-u01)
+project(ecg_tree)
 
 add_library(tree SHARED node.cpp)
 #                ~~~~~~