diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 4d7509fd80..ed82e0b6dc 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -248,7 +248,7 @@ elseif ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
 elseif (MSVC)
     # All good. Maybe enforce a recent version?
     set(STATIC ON) # FIXME: not working yet
-    set(CMAKE_CXX_FLAGS                "/GL /EHsc /W1 /Zc:implicitNoexcept- ${CMAKE_CXX_FLAGS}")
+    set(CMAKE_CXX_FLAGS                "/GL /EHsc /W1 /Zc:implicitNoexcept- -D_SCL_SECURE_NO_WARNINGS ${CMAKE_CXX_FLAGS}")
     set(CMAKE_CXX_FLAGS_DEBUG          "/Od /Zi ${CMAKE_CXX_FLAGS_DEBUG}")
     set(CMAKE_CXX_FLAGS_MINSIZEREL     "/Os /Zc:inline ${CMAKE_CXX_FLAGS_MINSIZEREL}")
     set(CMAKE_CXX_FLAGS_RELEASE        "/O2 /Oi /Oy /Zc:inline ${CMAKE_CXX_FLAGS_RELEASE}")
@@ -267,6 +267,11 @@ if (NOT MSVC)
     set(CMAKE_CXX_FLAGS_MINSIZEREL     "-Os ${CMAKE_CXX_FLAGS_MINSIZEREL}")
     set(CMAKE_CXX_FLAGS_RELEASE        "-O3 ${CMAKE_CXX_FLAGS_RELEASE}")
     set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g3 ${CMAKE_CXX_FLAGS_RELWITHDEBINFO}")
+elseif (MULTI_THREAD)
+    set(CMAKE_CXX_FLAGS_DEBUG          "/MTd ${CMAKE_CXX_FLAGS_DEBUG}")
+    set(CMAKE_CXX_FLAGS_MINSIZEREL     "/MT ${CMAKE_CXX_FLAGS_MINSIZEREL}")
+    set(CMAKE_CXX_FLAGS_RELEASE        "/MT ${CMAKE_CXX_FLAGS_RELEASE}")
+    set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "/MT ${CMAKE_CXX_FLAGS_RELWITHDEBINFO}")
 endif ()
 
 if (EMSCRIPTEN)