diff --git a/CMakeLists.txt b/CMakeLists.txt
index bc3ce450fbf2f0d3c741b522c9a26726ab89c202..62194c3b43e9ba1b98369e29dacc2f66a8fee4a1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,10 @@
 # This is the root OTB CMakeLists file.
 # $Id$
 #
+CMAKE_MINIMUM_REQUIRED(VERSION 2.4)
+IF(COMMAND CMAKE_POLICY)
+  CMAKE_POLICY(SET CMP0003 NEW)
+ENDIF(COMMAND CMAKE_POLICY)
 
 PROJECT(OTB)