diff --git a/src/diffusers/pipelines/animatediff/pipeline_animatediff.py b/src/diffusers/pipelines/animatediff/pipeline_animatediff.py
index 016a3a5ca043..ee1062ee81ff 100644
--- a/src/diffusers/pipelines/animatediff/pipeline_animatediff.py
+++ b/src/diffusers/pipelines/animatediff/pipeline_animatediff.py
@@ -16,6 +16,7 @@
 import math
 from typing import Any, Callable, Dict, List, Optional, Tuple, Union
 
+import numpy as np
 import torch
 import torch.fft as fft
 from transformers import CLIPImageProcessor, CLIPTextModel, CLIPTokenizer, CLIPVisionModelWithProjection