diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -20,6 +20,12 @@
 if (POLICY CMP0063)
   cmake_policy(SET CMP0063 NEW) # Policy introduced in CMake version 3.3
 endif()
+if (POLICY CMP0071)
+  # We do not require the old behaviour. It is only set to old, to prevent accidential use of
+  # the new behavour. If the new behaviour becomes important, cmake_minimum_required has to be
+  # set to "3.10".
+  cmake_policy(SET CMP0071 OLD) # Policy introduced in CMake version 3.10
+endif()
 
 
 ######################### General Requirements ##########################