diff --git a/modules/ui.py b/modules/ui.py
index 494d85a..e83c3d0 100644
--- a/modules/ui.py
+++ b/modules/ui.py
@@ -6,15 +6,16 @@ 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
 
+if os.name == 'nt':  # Windows
+    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