diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8ae1ae1e5ddad..c2a4ca7d9c558 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -13,7 +13,7 @@ cmake_minimum_required(VERSION 3.17 FATAL_ERROR)
 
 project(O2Physics
         VERSION 0.0.1
-        LANGUAGES CXX
+        LANGUAGES C CXX
         DESCRIPTION "Physics Analysis for O2")
 
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR}/cmake)