diff --git a/source/mufs/file.c b/source/mufs/file.c
index 2021e86..279b4f6 100644
--- a/source/mufs/file.c
+++ b/source/mufs/file.c
@@ -104,6 +104,7 @@ size_t mufs_read(struct mufs_file *file, void *data, size_t len)
 	if (!(ret = mufs_tree_read(file->tree, data, file->va, len)))
 		return 0;
 
+	ret = min(ret, file->tree->file_size - file->va);
 	file->va += ret;
 
 	return ret;