diff --git a/CMakeLists.txt b/CMakeLists.txt
index a41fddb4da..1ed8203cdd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,6 @@
 cmake_minimum_required (VERSION 2.8)
 
+include (CheckCSourceCompiles)
 project (ResInsight)
 
 set (VIZ_MODULES_FOLDER_NAME Fwk/VizFwk)