diff --git a/modules/api/api.py b/modules/api/api.py
index 224bbfc6..5793bb44 100644
--- a/modules/api/api.py
+++ b/modules/api/api.py
@@ -22,7 +22,7 @@ from modules.textual_inversion.textual_inversion import create_embedding, train_
 from modules.textual_inversion.preprocess import preprocess
 from modules.hypernetworks.hypernetwork import create_hypernetwork, train_hypernetwork
 from PIL import PngImagePlugin,Image
-from modules.sd_models import checkpoints_list, unload_model_weights, reload_model_weights, checkpoint_alisases
+from modules.sd_models import checkpoints_list, unload_model_weights, reload_model_weights, checkpoint_aliases
 from modules.sd_vae import vae_dict
 from modules.sd_models_config import find_checkpoint_config_near_filename
 from modules.realesrgan_model import get_realesrgan_models
@@ -519,7 +519,7 @@ class Api:
 
     def set_config(self, req: Dict[str, Any]):
         checkpoint_name = req.get("sd_model_checkpoint", None)
-        if checkpoint_name is not None and checkpoint_name not in checkpoint_alisases:
+        if checkpoint_name is not None and checkpoint_name not in checkpoint_aliases:
             raise RuntimeError(f"model {checkpoint_name!r} not found")
 
         for k, v in req.items():
diff --git a/modules/processing.py b/modules/processing.py
index 21d1492c..cd568a20 100644
--- a/modules/processing.py
+++ b/modules/processing.py
@@ -606,7 +606,7 @@ def process_images(p: StableDiffusionProcessing) -> Processed:
 
     try:
         # if no checkpoint override or the override checkpoint can't be found, remove override entry and load opts checkpoint
-        if sd_models.checkpoint_alisases.get(p.override_settings.get('sd_model_checkpoint')) is None:
+        if sd_models.checkpoint_aliases.get(p.override_settings.get('sd_model_checkpoint')) is None:
             p.override_settings.pop('sd_model_checkpoint', None)
             sd_models.reload_model_weights()
 
diff --git a/modules/sd_models.py b/modules/sd_models.py
index 653c4cc0..060e0007 100644
--- a/modules/sd_models.py
+++ b/modules/sd_models.py
@@ -23,7 +23,8 @@ model_dir = "Stable-diffusion"
 model_path = os.path.abspath(os.path.join(paths.models_path, model_dir))
 
 checkpoints_list = {}
-checkpoint_alisases = {}
+checkpoint_aliases = {}
+checkpoint_alisases = checkpoint_aliases  # for compatibility with old name
 checkpoints_loaded = collections.OrderedDict()
 
 
@@ -66,7 +67,7 @@ class CheckpointInfo:
     def register(self):
         checkpoints_list[self.title] = self
         for id in self.ids:
-            checkpoint_alisases[id] = self
+            checkpoint_aliases[id] = self
 
     def calculate_shorthash(self):
         self.sha256 = hashes.sha256(self.filename, f"checkpoint/{self.name}")
@@ -112,7 +113,7 @@ def checkpoint_tiles():
 
 def list_models():
     checkpoints_list.clear()
-    checkpoint_alisases.clear()
+    checkpoint_aliases.clear()
 
     cmd_ckpt = shared.cmd_opts.ckpt
     if shared.cmd_opts.no_download_sd_model or cmd_ckpt != shared.sd_model_file or os.path.exists(cmd_ckpt):
@@ -136,7 +137,7 @@ def list_models():
 
 
 def get_closet_checkpoint_match(search_string):
-    checkpoint_info = checkpoint_alisases.get(search_string, None)
+    checkpoint_info = checkpoint_aliases.get(search_string, None)
     if checkpoint_info is not None:
         return checkpoint_info
 
@@ -166,7 +167,7 @@ def select_checkpoint():
     """Raises `FileNotFoundError` if no checkpoints are found."""
     model_checkpoint = shared.opts.sd_model_checkpoint
 
-    checkpoint_info = checkpoint_alisases.get(model_checkpoint, None)
+    checkpoint_info = checkpoint_aliases.get(model_checkpoint, None)
     if checkpoint_info is not None:
         return checkpoint_info