diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2404f05c3..cd8db9a80 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -146,6 +146,7 @@ include_directories(
 link_directories(${Boost_LIBRARY_DIRS})
 
 if(MSVC)
+	add_definitions(-D_CRT_SECURE_NO_WARNINGS -D_SCL_SECURE_NO_WARNINGS)
 	add_definitions(/wd4251 /wd4275 /wd4251) # Disable non-DLL-exported base class warnings
 endif()