diff --git a/CMakeLists.txt b/CMakeLists.txt
index eed24e71a8fb858814517298ece26d30e58e774a..19ff2105a0d8891aa3dec67ba614fbc42b739232 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -30,7 +30,7 @@ include(CheckCXXCompilerFlag)
 CHECK_CXX_COMPILER_FLAG("-std=c++14" COMPILER_SUPPORTS_CXX14)
 if(COMPILER_SUPPORTS_CXX14)
 		message(STATUS "The compiler ${CMAKE_CXX_COMPILER} has C++14 support.")
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14")
+    set(CMAKE_CXX_STANDARD 14)
 else()
   message(STATUS "The compiler ${CMAKE_CXX_COMPILER} has no C++14 support. Please use a different C++ compiler.")
 endif()