diff --git a/ldm/invoke/model_cache.py b/ldm/invoke/model_cache.py
index 3bb1b7e928a..6d4e592e447 100644
--- a/ldm/invoke/model_cache.py
+++ b/ldm/invoke/model_cache.py
@@ -134,12 +134,14 @@ def list_models(self) -> dict:
         }
         '''
         models = {}
-        for name, config in self.config.items():
+        for config_entry in self.config.items():
+            (name, config) = config_entry
+
             try:
                 description = config.description
             except ConfigAttributeError:
                 description = '<no description>'
-
+            
             if self.current_model == name:
                 status = 'active'
             elif name in self.models:
@@ -147,12 +149,9 @@ def list_models(self) -> dict:
             else:
                 status = 'not loaded'
 
-            models = models.update(
-                name = {
-                    'status': status,
-                    'description': description,
-                })
-
+            model_details = {name: {'status': status, 'description': description,}}
+            models.update(model_details)
+        
         return models
 
     def print_models(self) -> None: