diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2398ccc4..1b0dc465 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 2.8.12...3.20)
 
-project(enet)
+project(enet C)
 
 # The "configure" step.
 include(CheckFunctionExists)