diff --git a/CMakeLists.txt b/CMakeLists.txt
index 103907e..fd17dc7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,7 +3,7 @@ cmake_minimum_required(VERSION 3.19)
 project(
     fprops
     VERSION 5.0
-    LANGUAGES CXX
+    LANGUAGES C CXX
 )
 
 set(CMAKE_CXX_STANDARD 17)