diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2f16eb6..a46c8b7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -15,14 +15,15 @@ find_package(Boost)
 message(STATUS "Using Boost libraries from ${Boost_INCLUDE_DIRS}")
 
 if(CMAKE_COMPILER_IS_GNUCXX OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17")
   if(CMAKE_BUILD_TYPE STREQUAL "Debug")
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -save-temps")
   endif()
 endif()
 
 if(MSVC)
-  set(CMAKE_CXX_FLAGS "/std:c++17 -D_SCL_SECURE_NO_WARNINGS /EHsc")
+  set(CMAKE_CXX_FLAGS "/std:c++17 -D_SCL_SECURE_NO_WARNINGS -D_CRT_SECURE_NO_WARNINGS /EHsc")
+else()
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17")
 endif()
 
 add_subdirectory(src)