diff --git a/books.py b/books.py
index a2c4587..be4c8d4 100644
--- a/books.py
+++ b/books.py
@@ -59,8 +59,10 @@ class MyChapter(Chapter):
             if img.attrib["src"].startswith("http"):
                 img.getparent().remove(img)
             else:
-                image = Image.open(f"{path.dirname(image_dir)}/{img.attrib['src']}")
+                src = f"{path.dirname(image_dir)}/{img.attrib['src']}"
+                image = Image.open(src)
                 image.thumbnail((1000, 2000))
+                image.save(src)
 
 
 def async_wrap(func):