diff --git a/modules/shared.py b/modules/shared.py
index 1822d0f7..02306147 100644
--- a/modules/shared.py
+++ b/modules/shared.py
@@ -147,6 +147,7 @@ parser.add_argument('--auto-launch', action='store_true', default=False, help='O
 parser.add_argument("--gradio-auth-path", type=str, help='Set the gradio authentication file path. The file should contain one or more user:password pairs in this format: "u1:p1,u2:p2,u3:p3"', default=None)
 
 args = parser.parse_args()
+args_defaults = parser.parse_args([])
 
 # Deprecation warnings for parameters that have been renamed
 deprecated_dict = {}
diff --git a/server.py b/server.py
index d46ffc30..a4af1077 100644
--- a/server.py
+++ b/server.py
@@ -188,14 +188,7 @@ def download_model_wrapper(repo_id):
 def update_model_parameters(state, initial=False):
     elements = ui.list_model_elements()  # the names of the parameters
     gpu_memories = []
-    defaults = {
-        'wbits': 0,
-        'groupsize': -1,
-        'cpu_memory': None,
-        'gpu_memory': None,
-        'model_type': None,
-        'pre_layer': 0
-    }
+
     for i, element in enumerate(elements):
         if element not in state:
             continue
@@ -205,14 +198,14 @@ def update_model_parameters(state, initial=False):
             gpu_memories.append(value)
             continue
 
-        if initial and eval(f"shared.args.{element}") != defaults[element]:
+        if initial and vars(shared.args)[element] != vars(shared.args_defaults)[element]:
             continue
 
         # Setting null defaults
         if element in ['wbits', 'groupsize', 'model_type'] and value == 'None':
-            value = defaults[element]
+            value = vars(shared.args_defaults)[element]
         elif element in ['cpu_memory'] and value == 0:
-            value = defaults[element]
+            value = vars(shared.args_defaults)[element]
 
         # Making some simple conversions
         if element in ['wbits', 'groupsize', 'pre_layer']: