diff --git a/api/onnx_web/diffusers/run.py b/api/onnx_web/diffusers/run.py
index e80734a0..0cb59ac3 100644
--- a/api/onnx_web/diffusers/run.py
+++ b/api/onnx_web/diffusers/run.py
@@ -385,7 +385,7 @@ def run_inpaint_pipeline(
     latents = get_latents_from_seed(params.seed, size, batch=params.batch)
     progress = worker.get_progress_callback()
     images = chain.run(
-        worker, server, params, [source], callback=progress, latents=latents
+        worker, server, params, StageResult(images=[source]), callback=progress, latents=latents
     )
 
     _pairs, loras, inversions, _rest = parse_prompt(params)