diff --git a/drivers/md/dm-clone-target.c b/drivers/md/dm-clone-target.c
index ce9d03f4e981..355afca2969d 100644
--- a/drivers/md/dm-clone-target.c
+++ b/drivers/md/dm-clone-target.c
@@ -2232,6 +2232,7 @@ static int __init dm_clone_init(void)
 	r = dm_register_target(&clone_target);
 	if (r < 0) {
 		DMERR("Failed to register clone target");
+		kmem_cache_destroy(_hydration_cache);
 		return r;
 	}