diff --git a/README.md b/README.md
index 361e6f5..a71318d 100644
--- a/README.md
+++ b/README.md
@@ -164,6 +164,8 @@ options:
   --max-memory MAX_MEMORY                                  maximum amount of RAM in GB
   --execution-provider {cpu} [{cpu} ...]                   available execution provider (choices: cpu, ...)
   --execution-threads EXECUTION_THREADS                    number of execution threads
+  --headless                                               run in headless mode
+  --enhancer-upscale-factor                                Sets the upscale factor for the enhancer. Only applies if `face_enhancer` is set as a frame-processor
   -v, --version                                            show program's version number and exit
 ```
 
diff --git a/modules/core.py b/modules/core.py
index b4e4a31..a0d45ca 100644
--- a/modules/core.py
+++ b/modules/core.py
@@ -70,6 +70,10 @@ def parse_args() -> None:
                          choices=suggest_execution_providers(), nargs='+')
     program.add_argument('--execution-threads', help='Number of execution threads', dest='execution_threads', type=int,
                          default=suggest_execution_threads())
+    program.add_argument('--headless', help='Run in headless mode', dest='headless', default=False, action='store_true')
+    program.add_argument('--enhancer-upscale-factor',
+                         help='Sets the upscale factor for the enhancer. Only applies if `face_enhancer` is set as a frame-processor',
+                         dest='enhancer_upscale_factor', type=int, default=1)
     program.add_argument('-v', '--version', action='version',
                          version=f'{modules.metadata.name} {modules.metadata.version}')
 
@@ -98,7 +102,8 @@ def parse_args() -> None:
     modules.globals.max_memory = args.max_memory
     modules.globals.execution_providers = decode_execution_providers(args.execution_provider)
     modules.globals.execution_threads = args.execution_threads
-
+    modules.globals.headless = args.headless
+    modules.globals.enhancer_upscale_factor = args.enhancer_upscale_factor
     # Handle face enhancer tumbler
     modules.globals.fp_ui['face_enhancer'] = 'face_enhancer' in args.frame_processor
 
diff --git a/modules/globals.py b/modules/globals.py
index 2bc15fd..a435e4d 100644
--- a/modules/globals.py
+++ b/modules/globals.py
@@ -29,4 +29,5 @@ log_level = 'error'
 fp_ui: Dict[str, bool] = {}
 nsfw = None
 camera_input_combobox = None
-webcam_preview_running = False
\ No newline at end of file
+webcam_preview_running = False
+enhancer_upscale_factor = 1
diff --git a/modules/processors/frame/face_enhancer.py b/modules/processors/frame/face_enhancer.py
index a75f5c0..a39bef6 100644
--- a/modules/processors/frame/face_enhancer.py
+++ b/modules/processors/frame/face_enhancer.py
@@ -33,7 +33,10 @@ def get_face_enhancer() -> Any:
     with THREAD_LOCK:
         if FACE_ENHANCER is None:
             model_path = resolve_relative_path('../models/GFPGANv1.4.pth')
-            FACE_ENHANCER = gfpgan.GFPGANer(model_path=model_path, upscale=1)  # type: ignore[attr-defined]
+            FACE_ENHANCER = gfpgan.GFPGANer(
+                model_path=model_path,
+                upscale=modules.globals.enhancer_upscale_factor
+            )  # type: ignore[attr-defined]
     return FACE_ENHANCER
 
 def enhance_face(temp_frame: Frame) -> Frame:
diff --git a/modules/ui.py b/modules/ui.py
index 494d85a..2733dbb 100644
--- a/modules/ui.py
+++ b/modules/ui.py
@@ -6,15 +6,17 @@ from typing import Callable, Tuple, List, Any
 from types import ModuleType
 import cv2
 from PIL import Image, ImageOps
-from pygrabber.dshow_graph import FilterGraph
 import pyvirtualcam
 
 # Import OS-specific modules only when necessary
 if platform.system() == 'Darwin':  # macOS
-    import objc
-    from Foundation import NSObject
     import AVFoundation
 
+# Import Windows specific modules only when on windows platform
+if platform.system() == 'Windows' or platform.system() == 'Linux':  # Windows or Linux
+    from pygrabber.dshow_graph import FilterGraph
+
+
 import modules.globals
 import modules.metadata
 from modules.face_analyser import get_one_face
diff --git a/requirements.txt b/requirements.txt
index 915179d..96bb6b4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,4 +23,5 @@ tqdm==4.66.4
 gfpgan==1.3.8
 pyobjc==9.1; sys_platform == 'darwin'
 pygrabber==0.2
-pyvirtualcam==0.12.0
\ No newline at end of file
+pyvirtualcam==0.12.0
+pyobjc-framework-AVFoundation==10.3.1; sys_platform == 'darwin'
\ No newline at end of file