diff --git a/api/onnx_web/__init__.py b/api/onnx_web/__init__.py
index b6c372f6..0bdc79d3 100644
--- a/api/onnx_web/__init__.py
+++ b/api/onnx_web/__init__.py
@@ -19,7 +19,7 @@ from .image import (
 )
 from .upscale import (
   make_resrgan,
-  run_upscale_pipeline,
+  run_upscale_correction,
   upscale_gfpgan,
   upscale_resrgan,
   UpscaleParams,
diff --git a/api/onnx_web/convert.py b/api/onnx_web/convert.py
index 094eac0e..9e8e8f62 100644
--- a/api/onnx_web/convert.py
+++ b/api/onnx_web/convert.py
@@ -249,7 +249,9 @@ def convert_diffuser(name: str, url: str, opset: int, half: bool, token: str):
             torch.randn(2).to(device=training_device, dtype=dtype),
             torch.randn(2, num_tokens, text_hidden_size).to(
                 device=training_device, dtype=dtype),
-            False,
+            # TODO: needs to be Int or Long for upscaling, Bool for regular
+            4,
+            # False,
         ),
         output_path=unet_path,
         ordered_input_names=["sample", "timestep",
diff --git a/api/onnx_web/diffusion.py b/api/onnx_web/diffusion.py
index f58dd5d7..7e65c00f 100644
--- a/api/onnx_web/diffusion.py
+++ b/api/onnx_web/diffusion.py
@@ -16,7 +16,7 @@ from .image import (
     expand_image,
 )
 from .upscale import (
-    upscale_resrgan,
+    run_upscale_correction,
     UpscaleParams,
 )
 from .utils import (
@@ -117,7 +117,7 @@ def run_txt2img_pipeline(
         num_inference_steps=params.steps,
     )
     image = result.images[0]
-    image = run_upscale_pipeline(ctx, upscale, image)
+    image = run_upscale_correction(ctx, upscale, image)
 
     dest = safer_join(ctx.output_path, output)
     image.save(dest)
@@ -151,7 +151,7 @@ def run_img2img_pipeline(
         strength=strength,
     )
     image = result.images[0]
-    image = run_upscale_pipeline(ctx, upscale, image)
+    image = run_upscale_correction(ctx, upscale, image)
 
     dest = safer_join(ctx.output_path, output)
     image.save(dest)
@@ -215,7 +215,7 @@ def run_inpaint_pipeline(
     else:
         print('output image size does not match source, skipping post-blend')
 
-    image = run_upscale_pipeline(ctx, upscale, image)
+    image = run_upscale_correction(ctx, upscale, image)
 
     dest = safer_join(ctx.output_path, output)
     image.save(dest)
@@ -234,7 +234,7 @@ def run_upscale_pipeline(
     upscale: UpscaleParams,
     source_image: Image
 ):
-    image = upscale_resrgan(ctx, upscale, source_image)
+    image = run_upscale_correction(ctx, upscale, source_image)
 
     dest = safer_join(ctx.output_path, output)
     image.save(dest)
diff --git a/api/onnx_web/onnx/pipeline_onnx_stable_diffusion_upscale.py b/api/onnx_web/onnx/pipeline_onnx_stable_diffusion_upscale.py
index 48077b74..970c6600 100644
--- a/api/onnx_web/onnx/pipeline_onnx_stable_diffusion_upscale.py
+++ b/api/onnx_web/onnx/pipeline_onnx_stable_diffusion_upscale.py
@@ -3,13 +3,8 @@ from diffusers import (
     OnnxRuntimeModel,
     StableDiffusionUpscalePipeline,
 )
-from diffusers.models import (
-    CLIPTokenizer,
-)
-from diffusers.schedulers import (
-    KarrasDiffusionSchedulers,
-)
 from typing import (
+    Any,
     Callable,
     Union,
     List,
@@ -25,34 +20,18 @@ class OnnxStableDiffusionUpscalePipeline(StableDiffusionUpscalePipeline):
         self,
         vae: OnnxRuntimeModel,
         text_encoder: OnnxRuntimeModel,
-        tokenizer: CLIPTokenizer,
+        tokenizer: Any,
         unet: OnnxRuntimeModel,
         low_res_scheduler: DDPMScheduler,
-        scheduler: KarrasDiffusionSchedulers,
+        scheduler: Any,
         max_noise_level: int = 350,
     ):
-        super().__init__(vae, text_encoder, tokenizer, unet, low_res_scheduler, scheduler, max_noise_level)
+        super().__init__(vae, text_encoder, tokenizer, unet,
+                         low_res_scheduler, scheduler, max_noise_level)
 
     def __call__(
         self,
-        prompt: Union[str, List[str]] = None,
-        image: Union[torch.FloatTensor, PIL.Image.Image,
-                     List[PIL.Image.Image]] = None,
-        num_inference_steps: int = 75,
-        guidance_scale: float = 9.0,
-        noise_level: int = 20,
-        negative_prompt: Optional[Union[str, List[str]]] = None,
-        num_images_per_prompt: Optional[int] = 1,
-        eta: float = 0.0,
-        generator: Optional[Union[torch.Generator,
-                                  List[torch.Generator]]] = None,
-        latents: Optional[torch.FloatTensor] = None,
-        prompt_embeds: Optional[torch.FloatTensor] = None,
-        negative_prompt_embeds: Optional[torch.FloatTensor] = None,
-        output_type: Optional[str] = "pil",
-        return_dict: bool = True,
-        callback: Optional[Callable[[
-            int, int, torch.FloatTensor], None]] = None,
-        callback_steps: Optional[int] = 1,
+        *args,
+        **kwargs,
     ):
-        pass
+        super().__call__(*args, **kwargs)
diff --git a/api/onnx_web/upscale.py b/api/onnx_web/upscale.py
index b5eb85f9..eea3d0be 100644
--- a/api/onnx_web/upscale.py
+++ b/api/onnx_web/upscale.py
@@ -1,4 +1,8 @@
 from basicsr.archs.rrdbnet_arch import RRDBNet
+from diffusers import (
+    AutoencoderKL,
+    DDPMScheduler,
+)
 from gfpgan import GFPGANer
 from os import path
 from PIL import Image
@@ -127,12 +131,20 @@ def upscale_gfpgan(ctx: ServerContext, params: UpscaleParams, image, upsampler=N
 
 def upscale_stable_diffusion(ctx: ServerContext, params: UpscaleParams, image: Image) -> Image:
     print('upscaling with Stable Diffusion')
-    pipeline = OnnxStableDiffusionUpscalePipeline.from_pretrained(params.upscale_model)
+    model_path = '../models/%s' % params.upscale_model
+    # ValueError: Pipeline <class 'onnx_web.onnx.pipeline_onnx_stable_diffusion_upscale.OnnxStableDiffusionUpscalePipeline'>
+    # expected {'vae', 'unet', 'text_encoder', 'tokenizer', 'scheduler', 'low_res_scheduler'},
+    # but only {'scheduler', 'tokenizer', 'text_encoder', 'unet'} were passed.
+    pipeline = OnnxStableDiffusionUpscalePipeline.from_pretrained(
+        model_path,
+        vae=AutoencoderKL.from_pretrained(model_path, subfolder='vae_encoder'),
+        low_res_scheduler=DDPMScheduler.from_pretrained(model_path, subfolder='scheduler'),
+    )
     result = pipeline('', image=image)
     return result.images[0]
 
 
-def run_upscale_pipeline(ctx: ServerContext, params: UpscaleParams, image: Image) -> Image:
+def run_upscale_correction(ctx: ServerContext, params: UpscaleParams, image: Image) -> Image:
     print('running upscale pipeline')
 
     if params.scale > 1: