diff --git a/CMakeLists.txt b/CMakeLists.txt
index 33f684f5..6bcd53cd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 2.8.12)
-project(vorbis)
+project(vorbis LANGUAGES C)
 
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")