diff --git a/CMakeLists.txt b/CMakeLists.txt
index 657ab71e0..ad57007cf 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,6 @@
 cmake_minimum_required(VERSION 2.6)
 
+include(CheckCXXCompilerFlag)
 include(FindPkgConfig)
 include(cmake/Version.cmake)