diff --git a/train_network.py b/train_network.py
index 3e8f4e7d..710055e0 100644
--- a/train_network.py
+++ b/train_network.py
@@ -150,7 +150,9 @@ def train(args):
 
   # モデルを読み込む
   text_encoder, vae, unet, _ = train_util.load_target_model(args, weight_dtype)
-
+  # unnecessary, but work on low-ram device
+  text_encoder.to("cuda")
+  unet.to("cuda")
   # モデルに xformers とか memory efficient attention を組み込む
   train_util.replace_unet_modules(unet, args.mem_eff_attn, args.xformers)