diff --git a/library/train_util.py b/library/train_util.py
index 8b5cf214e..7f396d36e 100644
--- a/library/train_util.py
+++ b/library/train_util.py
@@ -1405,11 +1405,11 @@ def get_image_size(self, image_path):
         image_size = imagesize.get(image_path)
         if image_size[0] <= 0:
             # imagesize doesn't work for some images, so use cv2
-            img = cv2.imread(image_path)
-            if img is not None:
-                image_size = (img.shape[1], img.shape[0])
-            else:
-                logger.warning(f"failed to get image size: {image_path}")
+            try:
+                with Image.open(image_path) as img:
+                    image_size = img.size
+            except Exception as e:
+                logger.warning(f"failed to get image size: {image_path}, error: {e}")
                 image_size = (0, 0)
         return image_size