diff --git a/train_network.py b/train_network.py
index 8746ae26..7a589308 100644
--- a/train_network.py
+++ b/train_network.py
@@ -1035,9 +1035,10 @@ class NetworkTrainer:
                 if accelerator.sync_gradients:
                     progress_bar.update(1)
                     global_step += 1
+                    example_tuple = (latents.detach().clone(), batch["captions"])
                     if args.sample_every_n_steps is not None and global_step % args.sample_every_n_steps == 0:
                         accelerator.wait_for_everyone()
-                        example_tuple = (latents, batch["captions"])
+                        
                         self.sample_images(accelerator, args, None, global_step, accelerator.device, vae, tokenizer, text_encoder, unet, example_tuple)
 
                     # 指定ステップごとにモデルを保存
@@ -1095,7 +1096,6 @@ class NetworkTrainer:
                         train_util.save_and_remove_state_on_epoch_end(args, accelerator, epoch + 1)
 
             if args.sample_every_n_epochs is not None and (epoch + 1)% args.sample_every_n_epochs == 0:
-                example_tuple = (latents, batch["captions"])
                 self.sample_images(accelerator, args, epoch + 1, global_step, accelerator.device, vae, tokenizer, text_encoder, unet, example_tuple)
 
             # end of epoch