diff --git a/frigate/motion.py b/frigate/motion.py
index d426d681d..7219db93f 100644
--- a/frigate/motion.py
+++ b/frigate/motion.py
@@ -5,7 +5,7 @@ from frigate.config import MotionConfig
 
 
 class MotionDetector:
-    def __init__(self, frame_shape, config: MotionConfig):
+    def __init__(self, frame_shape, config: MotionConfig, improve_contrast_enabled):
         self.config = config
         self.frame_shape = frame_shape
         self.resize_factor = frame_shape[0] / config.frame_height
@@ -24,7 +24,7 @@ class MotionDetector:
         )
         self.mask = np.where(resized_mask == [0])
         self.save_images = False
-        self.improve_contrast = self.config.improve_contrast
+        self.improve_contrast = improve_contrast_enabled.value
 
     def detect(self, frame):
         motion_boxes = []
diff --git a/frigate/video.py b/frigate/video.py
index b3e40fbdb..f6960414d 100755
--- a/frigate/video.py
+++ b/frigate/video.py
@@ -354,7 +354,7 @@ def track_camera(
     objects_to_track = config.objects.track
     object_filters = config.objects.filters
 
-    motion_detector = MotionDetector(frame_shape, config.motion)
+    motion_detector = MotionDetector(frame_shape, config.motion, improve_contrast_enabled)
     object_detector = RemoteObjectDetector(
         name, labelmap, detection_queue, result_connection, model_shape
     )
@@ -494,8 +494,6 @@ def process_frames(
             logger.info(f"{camera_name}: frame {frame_time} is not in memory store.")
             continue
 
-        motion_detector.improve_contrast = improve_contrast_enabled.value
-
         # look for motion
         motion_boxes = motion_detector.detect(frame)