diff --git a/modules/upscaler_utils.py b/modules/upscaler_utils.py
index 39f78a0b7..dde5d7ad4 100644
--- a/modules/upscaler_utils.py
+++ b/modules/upscaler_utils.py
@@ -17,7 +17,7 @@ def upscale_without_tiling(model, img: Image.Image):
     img = np.ascontiguousarray(np.transpose(img, (2, 0, 1))) / 255
     img = torch.from_numpy(img).float()
 
-    model_weight = next(iter(model.parameters()))
+    model_weight = next(iter(model.model.parameters()))
     img = img.unsqueeze(0).to(device=model_weight.device, dtype=model_weight.dtype)
 
     with torch.no_grad():