diff --git a/CMakeLists.txt b/CMakeLists.txt
index efbc4b035..e4e99f964 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -37,8 +37,8 @@ if(NOT MSVC)
 	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${WARNING_FLAGS} -Werror=implicit-function-declaration")
 	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${WARNING_FLAGS}")
 else()
-	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_CRT_SECURE_NO_WARNINGS /wd4003 /wd4244 /wd4146 /wd4267")
-	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D_CRT_SECURE_NO_WARNINGS /wd4003 /wd4244 /wd4146 /wd4267")
+	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_CRT_SECURE_NO_WARNINGS /wd4003 /wd4244 /wd4146 /wd4267 /Zc:preprocessor-")
+	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D_CRT_SECURE_NO_WARNINGS /wd4003 /wd4244 /wd4146 /wd4267 /Zc:preprocessor-")
 endif()
 
 if(NOT LIBMGBA_ONLY)