diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1e1a1d4e..d06618b2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -94,7 +94,8 @@ endif()
 
 
 add_definitions(-D_CRT_SECURE_NO_WARNINGS)
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
+set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 file(GLOB SOURCE *.cpp )