diff --git a/app/main.py b/app/main.py
index eefdef7..fc34ff1 100644
--- a/app/main.py
+++ b/app/main.py
@@ -4,7 +4,7 @@ from io import BytesIO
 
 import numpy as np
 from PIL import Image
-from fastapi import FastAPI, UploadFile
+from fastapi import FastAPI, UploadFile, HTTPException
 from fastapi.staticfiles import StaticFiles
 from fastapi.middleware.cors import CORSMiddleware
 
@@ -52,6 +52,9 @@ async def upload_avatar(file: UploadFile):
     name = generate_uuid_from_file(content)
     image = Image.open(BytesIO(content))
 
+    if image.format == 'GIF':
+        raise HTTPException(status_code=422, detail="С гифками ты идёшь нахуй")
+
     new_size = (512, 512)
     resized_image = image.resize(new_size)