diff --git a/src/platform/windows/memory.c b/src/platform/windows/memory.c
index dfc43311e..e7acc9f89 100644
--- a/src/platform/windows/memory.c
+++ b/src/platform/windows/memory.c
@@ -1,13 +1,13 @@
 #include "util/memory.h"
 
-#include <io.h>
 #include <Windows.h>
 
 void* anonymousMemoryMap(size_t size) {
-	HANDLE hMap = CreateFileMapping(INVALID_HANDLE_VALUE, 0, PAGE_READWRITE, 0, size & 0xFFFFFFFF, 0);
-	return MapViewOfFile(hMap, FILE_MAP_WRITE, 0, 0, size);
+	return VirtualAlloc(NULL, size, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);
 }
 
 void mappedMemoryFree(void* memory, size_t size) {
-	// TODO fill in
+	UNUSED(size);
+	// size is not useful here because we're freeing the memory, not decommitting it
+	VirtualFree(memory, 0, MEM_RELEASE);
 }