diff --git a/CMakeLists.txt b/CMakeLists.txt
index dba9e2c9..242a1ea2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -123,7 +123,7 @@ execute_process(COMMAND ${CMAKE_COMMAND}
     ${CMAKE_CURRENT_SOURCE_DIR}/include/nana/)
     
 if(CMAKE_COMPILER_IS_GNUCXX OR "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
-	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -Wall")
+	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")
 endif(CMAKE_COMPILER_IS_GNUCXX OR "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
 
 set(NANA_SOURCE_DIR ${CMAKE_SOURCE_DIR}/source)
@@ -161,3 +161,5 @@ install(TARGETS ${PROJECT_NAME}
             ARCHIVE DESTINATION lib
             LIBRARY DESTINATION lib)
 install(DIRECTORY ${NANA_INCLUDE_DIR}/nana DESTINATION include)
+
+set_property( TARGET ${PROJECT_NAME} PROPERTY CXX_STANDARD 14 )