diff --git a/modules/ui.py b/modules/ui.py
index 7d804fe0..1e9c4ab0 100644
--- a/modules/ui.py
+++ b/modules/ui.py
@@ -27,7 +27,7 @@ theme = gr.themes.Default(
 
 
 def list_model_elements():
-    elements = ['cpu_memory', 'auto_devices', 'disk', 'cpu', 'bf16', 'load_in_8bit', 'wbits', 'groupsize', 'model_type', 'pre_layer', 'threads', 'n_batch', 'no-mmap', 'mlock', 'n_gpu_layers']
+    elements = ['cpu_memory', 'auto_devices', 'disk', 'cpu', 'bf16', 'load_in_8bit', 'wbits', 'groupsize', 'model_type', 'pre_layer', 'threads', 'n_batch', 'no_mmap', 'mlock', 'n_gpu_layers']
     for i in range(torch.cuda.device_count()):
         elements.append(f'gpu_memory_{i}')
     return elements
diff --git a/server.py b/server.py
index 7e907a2c..b3b1219c 100644
--- a/server.py
+++ b/server.py
@@ -369,7 +369,7 @@ def create_model_menus():
                         shared.gradio['n_gpu_layers'] = gr.Slider(label="n-gpu-layers", minimum=0, maximum=128, value=shared.args.n_gpu_layers)
 
                     with gr.Column():
-                        shared.gradio['no-mmap'] = gr.Checkbox(label="no-mmap", value=shared.args.no_mmap)
+                        shared.gradio['no_mmap'] = gr.Checkbox(label="no-mmap", value=shared.args.no_mmap)
                         shared.gradio['mlock'] = gr.Checkbox(label="mlock", value=shared.args.mlock)
 
             with gr.Row():