diff --git a/fs/ext4/ext4fs.c b/fs/ext4/ext4fs.c
index 26db677..85dc122 100644
--- a/fs/ext4/ext4fs.c
+++ b/fs/ext4/ext4fs.c
@@ -286,7 +286,7 @@
 	if (!cache->buf)
 		return 0;
 	if (!ext4fs_devread(block, 0, size, cache->buf)) {
-		free(cache->buf);
+		ext_cache_fini(cache);
 		return 0;
 	}
 	cache->block = block;