diff --git a/CMakeLists.txt b/CMakeLists.txt
index e7c2609..d9f3516 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,9 +2,10 @@ project(innoextract)
 
 cmake_minimum_required(VERSION 2.8)
 
-if(POLICY CMP0054)
-	# CMake 3.1+: Only interpret if() arguments as variables or keywords when unquoted.
-	cmake_policy(SET CMP0054 NEW)
+if(CMAKE_VERSION VERSION_GREATER 3.4)
+	cmake_policy(VERSION 3.4)
+else()
+	cmake_policy(VERSION ${CMAKE_VERSION})
 endif()