diff --git a/CMakeLists.txt b/CMakeLists.txt
index 265bea8a..da60e178 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -423,7 +423,7 @@ if(BACKEND_PLATFORM MATCHES "SDL2" OR BACKEND_AUDIO MATCHES "SDL2")
 		message(STATUS "Using local SDL2")
 		set(SDL_SHARED_ENABLED_BY_DEFAULT OFF)
 		if(MSVC)
-			set(LIBC ON)	# Needed to prevent possible 'symbol already defined' errors
+			set(LIBC ON CACHE INTERNAL "" FORCE)	# Needed to prevent possible 'symbol already defined' errors
 		endif()
 		add_subdirectory("external/SDL2" EXCLUDE_FROM_ALL)
 		target_link_libraries(CSE2 PRIVATE SDL2-static SDL2main)