diff --git a/modules/img2img.py b/modules/img2img.py
index 9fc5b693..7e58994a 100644
--- a/modules/img2img.py
+++ b/modules/img2img.py
@@ -99,7 +99,7 @@ def img2img(mode: int, prompt: str, negative_prompt: str, prompt_style: str, pro
         seed_resize_from_h=seed_resize_from_h,
         seed_resize_from_w=seed_resize_from_w,
         seed_enable_extras=seed_enable_extras,
-        sampler_index=sd_samplers.samplers_for_img2img[sampler_index].name,
+        sampler_name=sd_samplers.samplers_for_img2img[sampler_index].name,
         batch_size=batch_size,
         n_iter=n_iter,
         steps=steps,
diff --git a/modules/processing.py b/modules/processing.py
index c310df6a..edceb532 100644
--- a/modules/processing.py
+++ b/modules/processing.py
@@ -74,7 +74,7 @@ class StableDiffusionProcessing():
     """
     def __init__(self, sd_model=None, outpath_samples=None, outpath_grids=None, prompt: str = "", styles: List[str] = None, seed: int = -1, subseed: int = -1, subseed_strength: float = 0, seed_resize_from_h: int = -1, seed_resize_from_w: int = -1, seed_enable_extras: bool = True, sampler_name: str = None, batch_size: int = 1, n_iter: int = 1, steps: int = 50, cfg_scale: float = 7.0, width: int = 512, height: int = 512, restore_faces: bool = False, tiling: bool = False, do_not_save_samples: bool = False, do_not_save_grid: bool = False, extra_generation_params: Dict[Any, Any] = None, overlay_images: Any = None, negative_prompt: str = None, eta: float = None, do_not_reload_embeddings: bool = False, denoising_strength: float = 0, ddim_discretize: str = None, s_churn: float = 0.0, s_tmax: float = None, s_tmin: float = 0.0, s_noise: float = 1.0, override_settings: Dict[str, Any] = None, sampler_index: int = None):
         if sampler_index is not None:
-            warnings.warn("sampler_index argument for StableDiffusionProcessing does not do anything; use sampler_name")
+            print("sampler_index argument for StableDiffusionProcessing does not do anything; use sampler_name", file=sys.stderr)
 
         self.sd_model = sd_model
         self.outpath_samples: str = outpath_samples
diff --git a/scripts/xy_grid.py b/scripts/xy_grid.py
index b0b9d84d..2517c47d 100644
--- a/scripts/xy_grid.py
+++ b/scripts/xy_grid.py
@@ -62,25 +62,25 @@ def apply_order(p, x, xs):
 
 def build_samplers_dict():
     samplers_dict = {}
-    for i, sampler in enumerate(sd_samplers.all_samplers):
-        samplers_dict[sampler.name.lower()] = i
+    for sampler in sd_samplers.all_samplers:
+        samplers_dict[sampler.name.lower()] = sampler.name
         for alias in sampler.aliases:
-            samplers_dict[alias.lower()] = i
+            samplers_dict[alias.lower()] = sampler.name
     return samplers_dict
 
 
 def apply_sampler(p, x, xs):
-    sampler_index = build_samplers_dict().get(x.lower(), None)
-    if sampler_index is None:
+    sampler_name = build_samplers_dict().get(x.lower(), None)
+    if sampler_name is None:
         raise RuntimeError(f"Unknown sampler: {x}")
 
-    p.sampler_index = sampler_index
+    p.sampler_name = sampler_name
 
 
 def confirm_samplers(p, xs):
     samplers_dict = build_samplers_dict()
     for x in xs:
-        if x.lower() not in samplers_dict.keys():
+        if x.lower() not in samplers_dict:
             raise RuntimeError(f"Unknown sampler: {x}")