diff --git a/README.md b/README.md
index 87c810012..14328607e 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,10 @@ The command to install PyTorch is as follows:
 
 ### Recent Updates
 
+Nov 9, 2024:
+
+- Fixed an issue where the image size could not be obtained when caching latents was enabled and a specific file name existed, causing the latent size to be incorrect. See PR [#1770](https://github.com/kohya-ss/sd-scripts/pull/1770) for details. Thanks to feffy380!
+
 Nov 7, 2024:
 
 - The distribution of timesteps during SD3/3.5 training has been adjusted. This applies to both fine-tuning and LoRA training. PR [#1768](https://github.com/kohya-ss/sd-scripts/pull/1768) Thanks to Dango233!
diff --git a/library/train_util.py b/library/train_util.py
index 18d3cf6c2..8b5cf214e 100644
--- a/library/train_util.py
+++ b/library/train_util.py
@@ -1887,7 +1887,7 @@ def load_dreambooth_dir(subset: DreamBoothSubset):
 
                     # make image path to npz path mapping
                     npz_paths = glob.glob(os.path.join(subset.image_dir, "*" + strategy.cache_suffix))
-                    npz_paths.sort()
+                    npz_paths.sort(key=lambda item: item.rsplit("_", maxsplit=2)[0])  # sort by name excluding resolution and cache_suffix
                     npz_path_index = 0
 
                     size_set_count = 0