diff --git a/Examples/Installation/CMakeLists.txt b/Examples/Installation/CMakeLists.txt
index 6675f0ab8c2de3cce3f5e8dc12a6ee617b7efd54..20f929268e9ed0a015404bc7d9f00eb13a208fc4 100644
--- a/Examples/Installation/CMakeLists.txt
+++ b/Examples/Installation/CMakeLists.txt
@@ -1,3 +1,4 @@
+CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
 PROJECT(HelloWorld)
 
 FIND_PACKAGE(OTB)