diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7969fd9b0..1906d9bfb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,6 +7,7 @@ SET(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake/modules" ${CMAKE_MODULE_PATH})
 IF(COMMAND CMAKE_POLICY)
 	CMAKE_POLICY(SET CMP0005 NEW)
 	CMAKE_POLICY(SET CMP0003 NEW)
+	CMAKE_POLICY(SET CMP0020 NEW)
 	IF (CMAKE_MAJOR_VERSION GREATER 2)
 		CMAKE_POLICY(SET CMP0026 OLD)
 		CMAKE_POLICY(SET CMP0050 OLD)