diff --git a/src/util/vfs/vfs-fd.c b/src/util/vfs/vfs-fd.c
index 452ce6fc3..8460a0253 100644
--- a/src/util/vfs/vfs-fd.c
+++ b/src/util/vfs/vfs-fd.c
@@ -168,7 +168,7 @@ static void* _vfdMap(struct VFile* vf, size_t size, int flags) {
 static void _vfdUnmap(struct VFile* vf, void* memory, size_t size) {
 	UNUSED(size);
 	struct VFileFD* vfd = (struct VFileFD*) vf;
-	FlushViewOfFile(buffer, size);
+	FlushViewOfFile(memory, size);
 	size_t i;
 	for (i = 0; i < HandleMappingListSize(&vfd->handles); ++i) {
 		if (HandleMappingListGetPointer(&vfd->handles, i)->mapping == memory) {