diff --git a/frigate/motion/__init__.py b/frigate/motion/__init__.py
index 2c62b729f..73d2ee1fd 100644
--- a/frigate/motion/__init__.py
+++ b/frigate/motion/__init__.py
@@ -10,6 +10,7 @@ class MotionDetector(ABC):
         self,
         frame_shape: Tuple[int, int, int],
         config: MotionConfig,
+        fps: int,
         improve_contrast,
         threshold,
         contour_area,
diff --git a/frigate/motion/cnt_motion.py b/frigate/motion/cnt_motion.py
index dc3eba537..cc40253c7 100644
--- a/frigate/motion/cnt_motion.py
+++ b/frigate/motion/cnt_motion.py
@@ -13,6 +13,7 @@ class CNTMotionDetector(MotionDetector):
         self,
         frame_shape: Tuple[int, int, int],
         config: MotionConfig,
+        fps: int,
         improve_contrast,
         threshold,
         contour_area,
@@ -41,7 +42,9 @@ class CNTMotionDetector(MotionDetector):
         #                       bool useHistory = true,
         #                       int maxPixelStability = 15*60,
         #                       bool isParallel = true);
-        self.bg_subtractor = cv2.bgsegm.createBackgroundSubtractorCNT()
+        self.bg_subtractor = cv2.bgsegm.createBackgroundSubtractorCNT(
+            fps, True, fps * 60, True
+        )
         self.save_images = False
         self.frame_counter = 0
 
diff --git a/frigate/motion/frigate_motion.py b/frigate/motion/frigate_motion.py
index 01efb4d4c..11703239d 100644
--- a/frigate/motion/frigate_motion.py
+++ b/frigate/motion/frigate_motion.py
@@ -11,6 +11,7 @@ class FrigateMotionDetector(MotionDetector):
         self,
         frame_shape,
         config: MotionConfig,
+        fps: int,
         improve_contrast_enabled,
         motion_threshold,
         motion_contour_area,
diff --git a/frigate/video.py b/frigate/video.py
index 35b24a609..9246a15b5 100755
--- a/frigate/video.py
+++ b/frigate/video.py
@@ -466,6 +466,7 @@ def track_camera(
     motion_detector = CNTMotionDetector(
         frame_shape,
         config.motion,
+        config.detect.fps,
         improve_contrast_enabled,
         motion_threshold,
         motion_contour_area,