diff --git a/CMakeLists.txt b/CMakeLists.txt
index ffd123d..d3705e8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 CMAKE_MINIMUM_REQUIRED(VERSION 3.15)
 
-project(FCCDetectors)
+project(FCCDetectors LANGUAGES CXX)
 
 include(GNUInstallDirs)
 include(CTest)