diff --git a/CMakeLists.txt b/CMakeLists.txt
index a028618..943ca04 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,6 @@
 cmake_minimum_required(VERSION 2.8)
 project(zip)
+enable_language(C)
 
 if (MSVC)
   # Use secure functions by defaualt and suppress warnings about "deprecated" functions