diff --git a/api/onnx_web/chain/source_txt2img.py b/api/onnx_web/chain/source_txt2img.py
index b5d16147a..728d26332 100644
--- a/api/onnx_web/chain/source_txt2img.py
+++ b/api/onnx_web/chain/source_txt2img.py
@@ -65,7 +65,9 @@ def run(
                 guidance_scale=params.cfg,
                 latents=latents,
                 negative_prompt=params.negative_prompt,
+                num_images_per_prompt=params.batch,
                 num_inference_steps=params.steps,
+                eta=params.eta,
                 callback=callback,
             )
         else:
@@ -84,7 +86,9 @@ def run(
                 guidance_scale=params.cfg,
                 latents=latents,
                 negative_prompt=params.negative_prompt,
+                num_images_per_prompt=params.batch,
                 num_inference_steps=params.steps,
+                eta=params.eta,
                 callback=callback,
             )