diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0ab66c79..0e5dadf0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -27,7 +27,7 @@ endif()
 
 # ############
 # Define Project
-project(app4triqs VERSION 3.2.0 LANGUAGES C CXX)
+project(app4triqs VERSION 3.2.0 LANGUAGES CXX)
 get_directory_property(IS_SUBPROJECT PARENT_DIRECTORY)
 
 # ############