diff --git a/CMakeLists.txt b/CMakeLists.txt
index 43149c13..70299ee7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -28,7 +28,8 @@ endif()
 
 #--- perform some checks and generate the config.h ----------------------------
 
-#--- the next two lines are needed that the math functions are found ----------
+#--- the next three lines are needed that the math functions are found --------
+cmake_policy(SET CMP0075 NEW)
 set(CMAKE_REQUIRED_INCLUDES math.h)
 set(CMAKE_REQUIRED_LIBRARIES m)