diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4a2978bb..6570c511 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,7 +4,7 @@
 
 cmake_minimum_required(VERSION 2.6)
 
-project(libjpeg-turbo)
+project(libjpeg-turbo C)
 set(VERSION 1.1.90)
 
 if(MINGW OR CYGWIN)